Best What If It S Cool Podcasts (2025)

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Photobombing satellites could ruin the night sky for space telescopes 23:06

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3h ago23:06

23:06

00:46 How satellite mega-constellations could ruin space-based astronomy The ability of space-based telescopes to image the distant Universe could be in peril, according to new research investigating the impacts of light-pollution from future satellites. Streaks of reflected light from satellites currently in low-Earth orbit are already seen in tel…

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760. Is It Really Perimenopause? The Truth About What Your Body Is Really Doing 18:38

3d ago18:38

18:38

Today is a little different...I'm pulling back the curtain on what's really happening inside your body during this stage of life—and what most women are never told. If you're in your 40s (or even your late 30s) and you've wondered, "Is this perimenopause… or is something actually wrong with me?" this conversation is for you. As I've moved into my f…

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Breaking the Golden Handcuffs with 5 Kids | Sunny Burns | Ep 575 55:53

12h ago55:53

55:53

Episode Summary: In this episode, Sunny Burns shares his journey to financial independence. After leaving a lucrative government job, he discusses the strategic choices that led to his success in real estate, alternative income streams, and how he's living a fulfilled life with his family of seven. Sunny emphasizes the importance of financial educa…

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Audio long read: Faulty mitochondria cause deadly diseases — fixing them is about to get a lot easier 17:19

2h ago17:19

17:19

CRISPR-based gene editing has revolutionized modern biology, but these tools are unable to access the DNA that resides inside mitochondria. Researchers are eager to access and edit this DNA to understand more about the energy production and the mutations that can cause incurable mitochondrial diseases. Because CRISPR can’t help with these problems,…

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This is what lightning on Mars sounds like 28:24

7d ago28:24

28:24

00:46 Martian ‘micro-lightning’ The sounds of ‘micro-lightning’ have been recorded by NASA’s Perseverance rover, ending a long search for the phenomenon on Mars. A lack of suitable equipment has made it difficult to gather evidence of lightning on the red planet, but a team of researchers realized that a microphone on Perseverance should be able to…

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759. The Top 5 Herbs Every Woman Needs for Hormone Balance 23:37

10d ago23:37

23:37

In this episode, I'm breaking down exactly how specific herbs in our cycle-based tinctures support your hormones in a real, clinical way—not just "woo" or wishful thinking. We talk through five key herbs you'll find in my Estrogen support and progesterone-support tinctures—red clover, angelica, white peony, Vitex, and red raspberry leaf—and what th…

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Top Five Regrets of the Dying (Book Club with Frank Vasquez and Ginger) | Ep 574 1:17:47

10d ago1:17:47

1:17:47

Join Ginger and Frank as they dive into the impactful concept of regret, exploring insights from Bronnie Ware's The Top Five Regrets of the Dying. Discover how these regrets can shape a life of fulfillment and happiness, and learn how to embrace self-expression and relationships to achieve true satisfaction. Episode Summary: In this episode, the ho…

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Insulin cream offers needle-free option for diabetes 42:05

14d ago42:05

42:05

00:45 A molecule that delivers insulin through the skin Researchers have developed a skin-permeable polymer that can deliver insulin into the body, which they say could one day offer an alternative to injections for diabetes management. The skin’s structure presents a formidable barrier to the delivery of large drugs but in this work a team show th…

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758. He Said It Was All In My Head: The Hormone Lie Women Are Still Being Told 17:10

17d ago17:10

17:10

If you've ever walked into an appointment desperate for answers and walked out with a pat on the head, a prescription you didn't ask for, or a suggestion that you're "just stressed"… this episode is for you. I'm sharing the story of the first time I was brushed off — right after my first baby, when exhaustion hit me so hard I couldn't carry a car s…

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Cognitive Behavioral Tools for FI With Jasper Lee, PhD | Ep 573 1:06:31

17d ago1:06:31

1:06:31

Show Notes Guest: Jasper Lee, PhD - Clinical Psychologist Episode Summary: In this episode, Jasper Lee discusses the psychological elements that impact the journey to financial independence (FI). He provides actionable insights on dealing with emotions and behaviors that influence financial decisions, emphasizing cognitive restructuring and behavio…

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‘Malicious use is already happening’: machine-learning pioneer on making AI safer 15:06

19d ago15:06

15:06

Yoshua Bengio, considered by many to be one of the godfathers of AI, has long been at the forefront of machine-learning research . However, his opinions on the technology have shifted in recent years — he joins us to talk about ways to address the risks posed by AI, and his efforts to develop an AI with safety built in from the start. Nature: ‘It k…

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Huge eruption on a distant star confirmed at last 33:51

21d ago33:51

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00:45 A coronal mass ejection from a distant star Researchers have detected what they say is the strongest evidence yet of a coronal mass ejection (CME) coming from a star other than our Sun. CMEs are massive bursts of fast-moving plasma that can be detected thanks to the characteristic radio signal they produce. However, despite decades of searchi…

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757. Why You Still Feel Exhausted - Even With a Clean Diet and Great Sleep 21:36

24d ago21:36

21:36

Let's break down why so many women feel drained even when they're following a healthy lifestyle. The truth is, if your body is functioning in a state of dysfunction, surface-level changes aren't enough. I explain how stress, life events, and hormone imbalances quietly build up over time until your system hits a tipping point—what I call the "overfl…

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Bias Towards Action: The Adventure List(s) | Ep 572 1:10:08

24d ago1:10:08

1:10:08

In this episode, hosts Brad, Emily W, and Emily C delve into the importance of building meaningful friendships and adding adventure to life. They discuss the concept of an "adventure list," embracing vulnerability, and the creativity that can stem from constraints. The conversation encourages listeners to engage in various levels of travel experien…

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Meet the ‘Wee-rex’. Tiny tyrannosaur is its own species 28:48

28d ago28:48

28:48

00:45 The debate around Nanotyrannus A hotly debated species of dinosaur, assumed by many to be a juvenile T. rex, is actually a separate species, according to new research. Nanotyrannus was a dinosaur anatomically similar to T. rex, but about a tenth of the size, leading many to argue it was a young version of the iconic species. However, examinat…

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756. How To Create A Safe Place To Regulate Your Nervous System 24:16

1M ago24:16

24:16

Today I'm talking about how to create a real safe space so your brain and body can downshift, regulate, and actually recover—especially when the world feels loud and chaotic. Even if you've been eating well, taking your supplements, moving your body, and still feel dysregulated, this might be the missing layer: your environment and boundaries. Why …

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Getting Personal with Personal Finance: Maggie Tucker | ep 571 1:04:38

1M ago1:04:38

1:04:38

Maggie Tucker shares her journey to financial independence at the age of 41, discussing her experiences with fear and anxiety about leaving a secure job. Her insights on the importance of community, transparency in financial matters, and travel with children highlight how to embrace a fulfilling life beyond conventional measures of success. Timesta…

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Bowhead whales can live for more than 200 years – this protein might be why 22:50

1M ago22:50

22:50

00:47 How bowhead whales live so long Researchers have uncovered a protein that enhances DNA repair and may explain how bowhead whales can live more than 200 years. The protein, cold-induced RNA-binding protein, was shown to enhance repair of double stranded DNA breaks, a particularly troublesome kind of damage. The team showed that this protein co…

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755. Feeling Off? Here's What 7 Days of Hormone Support Can Actually Shift 16:45

1M ago16:45

16:45

If you're overwhelmed by all the health advice and not sure where to start, this episode is your simple, targeted on-ramp. I'm breaking down exactly how just 7 focused days can nudge your hormones, nervous system, energy, mood, and digestion in the right direction—without complicated protocols or expensive gadgets. (Gary, my Springer spaniel, also …

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State of the Stock Market 2025 Q&A with Brian Feroldi | Ep 570 1:03:47

1M ago1:03:47

1:03:47

Brian Feroldi discusses the current state of the stock market, providing insights on market valuations, personal investment strategies, and the impact of artificial intelligence on stock analysis. The conversation highlights the importance of sustainability in stock market growth, potential investment pitfalls, and the benefits of leveraging AI too…

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Audio long read: How to get the best night’s sleep — what the science says 15:33

1M ago15:33

15:33

Advice on how to get good sleep is everywhere, with the market for sleep aids worth more than US$100 billion annually. However, scientists warn that online hacks and pricey tools aren’t always effective, and suggest that lessons learnt about the workings of a network of biological clocks found in the human body could ultimately lead to improved sle…

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Honey, I ate the kids: how hunger and hormones make mice aggressive 34:22

1M ago34:22

34:22

00:48 How hunger, hormones and aggression interact in mouse brains Researchers have uncovered the neural mechanisms that underlie an aggressive behaviour in mice prompted by hunger and hormonal state. Virgin female mice can become aggressive towards mouse pups when they are food deprived, but it seems that the relevant amounts of pregnancy hormones…

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754. Normal Labs' and Still Not Well? Here's What They Miss 22:20

2M ago22:20

22:20

Have you experienced this? You go into the doctor, you're tired, foggy, dragging through your day, your hair's falling out, your energy is gone, and your provider says, "Everything looks fine." But you know something isn't right. We're talking about the huge difference between normal labs and functional labs. Because "normal" just means you're not …

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Always Come Back to the Why | Alan and Katie Donegan | Ep 569 1:26:49

2M ago1:26:49

1:26:49

Brad, Katie, and Alan Donegan discuss the significance of understanding the "why" behind pursuing financial independence (FI). They delve into their journey, emphasizing the importance of community, intentional spending, and lifestyle design. Listeners are encouraged to confront their fears of rejection when building friendships and to embrace vuln…

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New bird flu vaccine could tackle multiple variants with one shot 22:30

2M ago22:30

22:30

00:46 A multi-variant avian flu vaccine that could enhance pandemic preparedness A vaccine capable of protecting against multiple strains of avian influenza virus might be a step closer, according to new research. The H5 subtype of avian influenza viruses has spilled over into mammals and is particularly concerning to researchers because of the ris…

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753. Stop Waiting For Someone To Save You 32:39

2M ago32:39

32:39

I wanted to share something different today — something that's been coming up a lot in my conversations with women lately and honestly, in my own life too. It's this idea that we're waiting for someone to come save us. Waiting for the magic fix, the person, the event, the miracle that changes everything. But the truth is — no one's coming. The pers…

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The FiiRE Framework With Paula Pant | Ep 568 1:23:56

2M ago1:23:56

1:23:56

Paula Pant introduces her innovative FI-I-R-E framework, which encompasses Financial Psychology, Increasing Your Income, Investing, Real Estate, and Entrepreneurship. The discussion emphasizes the critical role of financial psychology in shaping one's financial decisions and behaviors. Paula's approach aims to inspire excitement about personal fina…

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How stereotypes shape AI – and what that means for the future of hiring 35:31

2M ago35:31

35:31

00:48 The stereotypes hidden in Internet images Stereotyped assumptions about women’s ages and their perceived job suitability are enhanced by Internet imagery, according to new research. A study of hundreds of thousands of online images shows that women appear younger than men. This stereotype extends to the jobs that people perceive women do, wit…

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752. Why You Still Feel Exhausted—Even With a Clean Diet and Great Sleep 21:36

2M ago21:36

21:36

Ever find yourself wondering why you still feel like garbage—even though you're eating clean, sleeping well, and doing "everything right"? You're not alone, and in this episode, I'm breaking down exactly why that happens and what to do about it. We often think that if we're checking all the "healthy" boxes—organic foods, 8 hours of sleep, daily mov…

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Are We Taking the Wrong Risks? With Chris Hutchins | Ep 567 1:16:46

2M ago1:16:46

1:16:46

Brad interviews Chris Hutchins, host of the podcast All The Hacks. They dive deep into challenging the traditional mindset of financial independence (FI), exploring the balance between saving for the future and enjoying life experiences in the present. The discussion revolves around the potential pitfalls of overly conservative financial strategies…

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Ancient viral DNA helps human embryos develop 33:43

2M ago33:43

33:43

00:50 How ancient viruses drive modern human development Research suggests that ancient viral-DNA embedded in the human genome is playing a key role in early embryo development. Around 8% of our genome consists of endogenous retrovirus DNA — the remnants of ancient infections, but knowledge of their activity is limited. Now, a team show that these …

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751. The Secret to Cooling vs. Warming Foods for Hormone Balance 12:56

2M ago12:56

12:56

Are you eating the right foods for your cycle—or fighting against your hormones without even knowing it? In this episode, I'm breaking down exactly what to eat during your estrogen phase versus your progesterone phase, and why cooling foods, warming foods, and even the right herbs can make a night and day difference for PMS, cramps, and heavy bleed…

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Risk Based Guardrails for Drawdown | Ep 566 1:25:11

2M ago1:25:11

1:25:11

Brad welcomes Aubrey Williams, a financial advisor and member of the ChooseFI community. They discuss innovative strategies for financial independence (FI), focusing on flexible withdrawal rates, dynamic spending adjustments using historical analysis, and how adopting a more adaptable mindset can potentially lead to earlier FI. Timestamps & Discuss…

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Audio long read: Autism is on the rise — what’s really behind the increase? 25:36

2M ago25:36

25:36

In April, Robert F. Kennedy Jr held a press conference about rising diagnoses of autism, and said he would soon be announcing a study to find the responsible agent. Although Kennedy said that environmental factors are the main cause of autism, research has shown that genetics plays a bigger part. Also, the rise in prevalence, many researchers say, …

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How a dangerous tick-borne virus sneaks into the brain 32:42

2M ago32:42

32:42

00:48 New insights into tick-borne encephalitis Researchers have identified a key protein that helps tick-borne encephalitis virus enter the brain. In rare cases an infection can lead to serious neurological symptoms, but little was known about how the virus interacts with human cells. Now, a team show that a protein found on the outside of cells p…

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750. How To Balance Your Hormones On A Foundation That Never Fails 18:27

2M ago18:27

18:27

I am so excited share something I've never opened to the public before: my brand-new Hormone Foundations Program. Here's what makes the Hormone Foundations Program different: DUTCH hormone testing shipped to your home so you can finally see what's going on with your hormones. Personalized, one-on-one recommendations based on your results—not cookie…

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Tax Planning To and Through Early Retirement | Cody Garrett & Sean Mullaney | Ep 565 1:06:30

2M ago1:06:30

1:06:30

Brad Barrett hosts Cody Garrett and Sean Mullaney, co-authors of Tax Planning To and Through Early Retirement, exploring essential tax strategies for the FI community. They address misconceptions about retirement taxes, the drawdown process, and effective tax rates, emphasizing the importance of informed planning to navigate financial independence …

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Apocalypse then: how cataclysms shaped human societies 27:39

3M ago27:39

27:39

Science journalist Lizzie Wade’s first book, Apocalypse: A Transformative Exploration of Humanity's Resilience Through Cataclysmic Events explores some of the cataclysmic events that humans have faced through history. Lizzie joined us to discuss what modern archaeology has revealed about these events, and the role these they’ve have played in shapi…

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This AI tool predicts your risk of 1,000 diseases — by looking at your medical records 35:31

3M ago35:31

35:31

00:50 The AI tool that predicts disease risk Researchers have developed an AI tool that can calculate a person’s risk of developing over 1,000 different diseases, sometimes years in advance. The system, called Delphi-2M, was trained to identify patterns of disease progression using 400,000 people's health records from data repository the UK Biobank…

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749. My Journey with PCOS, Autoimmune Flares, and How I Finally Got Answers 24:13

3M ago24:13

24:13

In this episode, I'm opening up about my own journey with PCOS, multiple autoimmune conditions, and how functional testing—especially the DUTCH test—has changed everything for me and the women I work with. For years, I pushed through health challenges: PCOS, Hashimoto's, celiac, even mysterious skin flares from annuloma granulare. Add to that the e…

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Financial Independence Basics with Jackie Cummings Koski | Ep 564 1:09:45

3M ago1:09:45

1:09:45

Jackie Cummings Koski returns to discuss the fundamental principles of financial independence (FI) and early retirement. The conversation emphasizes the importance of understanding FI—financial independence lets individuals no longer depend on a paycheck, offering options and freedom in life. Jackie shares insights on creating habits, starting smal…

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Detecting gravitational waves 10:21

3M ago10:21

10:21

In 2015, the Laser Interferometer Gravitational Wave Observatory (LIGO) facilities in the US directly detected ripples in space-time, known as gravitational waves. These waves were produced by the final spiral of two orbiting black holes that smashed into each other, sending ripples across the Universe. In this podcast, Benjamin Thompson speaks to …

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Feeling the heat: fossil-fuel producers linked to dozens of heatwaves 36:39

3M ago36:39

36:39

00:45 Attributing extreme heat events to major energy producers Major energy producers increased the likelihood and intensity of heatwaves, according to research published in Nature. Using data from an international disaster database, a team developed a methodology to investigate how much anthropogenic climate change had influenced heatwaves. They …

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Research misconduct: how the scientific community is fighting back 52:13

3M ago52:13

52:13

In 2016, Brian Wansink wrote a blog post that prompted scientific sleuths to investigate his work. They found evidence of data manipulation, and, after several news articles and two investigations by his institution, he would found to have committed misconduct, as defined by Cornell University. His work had been used to inform US policy around food…

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748. What Really Causes Endometriosis? Estrogen, Genetics, and Autoimmune Links 29:06

3M ago29:06

29:06

What actually causes endometriosis? If you've been struggling with painful periods, fertility challenges, or symptoms that doctors brush off without testing your hormones, you are not alone. Endometriosis is one of the most under-researched and misunderstood conditions women face, even though it can be completely debilitating. In this episode, I br…

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Safe Withdrawal Rates, Drawdown Strategies, RMDs and 50 Year FI Timelines 57:25

3M ago57:25

57:25

ChooseFI unveils a new feature on the website that allows listeners to have their financial independence questions answered by experts. Featuring in-depth discussions with Karsten Jeske (Big Earn) and Fritz Gilbert, the episode explores the ramifications of potentially increasing the safe withdrawal rate and provides critical insights into retireme…

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Nature goes inside the world’s largest ‘mosquito factory’ — here’s the buzz 10:57

3M ago10:57

10:57

Raising mosquitoes to tackle disease might sound like an odd concept, but that’s what a facility in Brazil is aiming to do. Millions of mosquitoes are produced there every week, but these insects carry harmless Wolbachia bacteria that curbs their ability to spread deadly human viruses. Nature reporter Mariana Lenharo visited the facility and told u…

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Two ants, two species, one mother 27:06

3M ago27:06

27:06

00:45 The ant queen that can produce two different species Researchers have made an unusual observation that appears at odds with biology: an ant, known as the Iberian Harvester Ant can produce offspring of two completely different species. Many ants need to mate with other species to produce workers that are a genetic mix of the two, known as hybr…

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747. We Did The Test That Her Doctor Wouldn't 21:54

3M ago21:54

21:54

This episode might sound a little fiery because, honestly, I am fired up. I cannot tell you how many times I hear stories of women going through procedures, even surgeries, for hormone-related issues—and not a single hormone test has ever been run. That is bananas. Truly bananas. Today, I'm walking you through the story of a client I'll call Kathy.…

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Navigating Financial Conflicts in Relationships | Ep 562 1:00:27

3M ago1:00:27

1:00:27

Brad and Ginger discuss the importance of asset flexibility, community building, and health savings accounts (HSAs). The conversation emphasizes maximizing contributions to HSAs while addressing financial conflicts that arise within relationships. Key Topics Discussed: Introduction and Community Building (00:00:00) Ginger shares her growing efforts…