ask science by QuickAndDirtyTips.com

Last Updated: April 22, 2026
How do astronomers photograph a black hole? How often do planes get hit by lightning? What does the EPA actually do? Science is all around us and transforming our world at a rapid pace. Extragalactic astrophysicist Sabrina Stierwalt is here to guide you through it. She'll help you make sense of the everyday and the once-in-a-lifetime. Rights of Albert Einstein are used with permission of The Hebrew University of Jerusalem. Represented exclusively by Greenlight.
The Age Of Resilience
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The viruses keep coming, the climate is warming, and the Earth is rewilding. Our human family has no playbook to address the mayhem unfolding around us. If there is a change to reckon with, argues the renowned economic and social theorist Jeremy Rifkin, it’s that we are beginning to realize that the human race never had dominion over the Earth and that nature is far more formidable than we thought, while our species seems much smaller and less significant in the bigger picture of life on Earth, undermining our long-cherished worldview. The Age of Progress, once considered sacrosanct, is on a deathwatch while a powerful new narrative, the Age of Resilience, is ascending.

The History of Transplant Surgery
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Witty, entertaining, and illuminating, Spare Parts shows us that the history - and future - of transplant surgery is tied up with questions about not only who we are, but also what we are, and what we might become.

Could we have domesticated a T-Rex?
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Hello, Ask Science listeners! This week, we're sharing the first episode of Curious State, a brand new podcast from Quick and Dirty Tips.

Life's Last Bow
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Episode 5 of 5 of our miniseries from author Henry Gee, based on his new book A (Very) Short History of Life on Earth.

Standing Up for Sex
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Episode 4 of 5 of our miniseries from author Henry Gee, based on his new book A (Very) Short History of Life on Earth.

Dinosaurs in Flight
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Episode 3 of 5 of our miniseries from author Henry Gee, based on his new book A (Very) Short History of Life on Earth.

The Great Permian Catastrophe
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Episode 2 of 5 of our miniseries from author Henry Gee, based on his new book A (Very) Short History of Life on Earth.

A Song of Fire and Ice
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Episode 1 of 5 of our miniseries from author Henry Gee, based on his new book A (Very) Short History of Life on Earth.

Bonus: Virgin Galactic and the Making of a Modern Astronaut
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Today, we're sharing a special excerpt from Test Gods, an audiobook from our friends at Macmillan Audio. Test Gods tells the remarkable story of the test pilots, engineers, and visionaries behind Virgin Galactic’s campaign to build a space tourism company. It's an epic story about bravery and the fulfillment of our dreams. If you like what you hear, get your copy of Test Gods here or wherever books or audiobooks are sold. https://amzn.to/3f0rQJ9

397 - The Devastating Collapse of the Arecibo Telescope
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The Arecibo Telescope, featured in movies like "Contact" and "Goldeneye," collapsed in early December 2020 after 57 years of observing the universe. Here's what the telescope accomplished, and why its loss is a devastating blow to science.

238 - When Does Your Intelligence Peak?
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Are we really at our smartest in our 20s? What about the wisdom and experience that come with age? At what age do we strike the right balance between cognitive ability and expertise?

305 - Does CBD Oil Work? The Science Behind Cannabidiol
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What is CBD oil? What does science have to say about the extract's proposed health benefits?

396 - Wait a Minute! How Am I Still Getting Sick on Lockdown?
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You've isolated at home for months because of the pandemic, so why are you suddenly sick? Here are a few scientific reasons why you can get sick even on lockdown.

395 - How to Conceive a Boy or a Girl (According to Science)
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Is there a way to predetermine your baby's biological sex and conceive a girl or a boy? Here's what science has to say about things like genetics, timing, diet, and even adrenaline.

394 - Can we ever go faster than the speed of light?
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Light is the fastest moving thing we know of, but just how fast is it? Has science attempted to break the light speed record? And does the universe have a speed limit?

393 - Is Melatonin Safe? Should You Stop Taking It?
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Go to the supplement aisle of almost any store in the US and you'll find melatonin, a synthetic hormone, marketed as an effective natural sleep aid, even for children! But is melatonin actually safe to use? Studies say ...

392 - How We Know a Supermassive Black Hole Lurks in the Center of Our Galaxy
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Not even light can escape a black hole's gravitational pull, so how do we actually know they exist? And what's the deal with the supermassive black hole at the center of the Milky Way?

391 - Phobias and Fears—Can You Literally Be Scared to Death?
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Spiders, snakes, heights, political corruption—we're afraid of a lot of things. But what's the difference between a fear and a phobia? And can either literally scare you to death?

390 - What Happens to Saltwater Fish in Fresh Water?
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Why do some fish thrive in salt water and others in fresh? And what happens if you, say, drop a saltwater shark into a fresh water swimming pool? Here's the science!

389 - What Are the Coldest and Hottest Temperatures Possible?
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We experience extreme hot and cold temperatures on Earth, but they're nothing compared to the temperature extremes we've created in labs, not to mention the Universe at large. Do these hot and cold extremes have a limit?

388 - Astronomers Found a Sign of Life on Venus—What Does It Mean?
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Astronomers recently made a huge discovery—there may be life on Venus. But what does it really mean when we say we've discovered the potential for life on the second rock from the Sun? Don't go searching for aliens just yet.

387 - How Do We Control Wildfires? The Surprising Facts
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How many days can it take to control a large wildfire? (More than you think.) Who fights wildfires? (You may be surprised!) What tools and methods do firefighters use to control, extinguish, and prevent them?

386 - What Is a Derecho? A Meteorologist Explains
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Hurricanes and strong tornadoes make headlines, but fewer people know about the unique and destructive weather force known as a derecho. What are derechos, and why are they so devastating? Everyday Einstein talked with Midwest meteorologist Vince Condella to find out.

385 - Why Do We Need to Save the Bees?
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Wild bee populations are at risk. Why are wild bee colonies in decline, why is it a big deal, and how can you help? First, step away from the pesticides.

384 - Did Scientists Just Unravel One Mystery of Stonehenge?
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Recently, a rock sample from the Neolithic structure Stonehenge made its way to a science lab after 60 years in a private collection. Here's what we learned from it.

383 - What Does Your Blood Type Mean? How Rare Is Yours?
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Your blood type is one of the many things you inherit from your parents. But what does it mean, and how does it affect your medical care? Do you have a rare blood type?

382 - Emotional, Irritated, Faking It—Why Do Humans Cry?
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Humans seem to be the only animals who produce one of three different types of tears. Can you guess what it is? Let's look at the science behind crying.

381 - Wearing a Mask During Coronavirus—Separating Myths from Facts
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We have scientific evidence that masks effectively and dramatically reduce the spread of COVID-19, yet myths about mask-wearing abound. Let's put them to rest and mask up!

380 - Can Nukes Actually Stop a Devastating Hurricane?
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Congress recently introduced a bill to prohibit the President from using weapons to alter weather patterns. But can you tame a hurricane by nuking it off the map?

379 - Is It Aliens? A Science Writer On UFOs and Her Visit to Area 51
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Are aliens out there observing us? If they're not, why has the Pentagon released videos of "unidentified aerial phenomena?" What's going on at Area 51, anyhow?

243 - 8 Rules for Picking the Right Sunscreen According to Science
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Does the SPF really matter? Should I go organic? What about the warnings on possible carcinogens in sunscreens? Is it better to avoid sunscreen altogether? Let's ask science!

378 - Without Plate Tectonics, Earth Might Not Support Life
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The Earth's surface is made of large slabs called plates. They move faster than your fingernails grow, and life on Earth might not exist without them.

377 - Did a Virus Make Us Mammals?
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Many viruses are like bad party guests—they show up uninvited and wreak havoc. But some viruses are more cooperative guests. A virus may have even made us mammals!

376 - Has NASA Found a Parallel Universe?
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Did NASA really discover a parallel universe where time runs backward? It's not impossible! But we're still a long way from proving it.

375 - "Is Takeout Safe?" and Other Food Safety Questions
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How concerned should you be about transmission of the novel coronavirus through food?

374 - Subterranean Rivers—Water Flowing Underground
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There's much left unexplored beneath Earth's surface, uncluding miles of underground rivers. What forms them? What lives there? And how do these subterranean waterways help science?

373 - Why Is a NASA Spacecraft Currently Orbiting an Asteroid?
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The OSIRIS REx spacecraft will perform a cosmic smash-and-grab on the surface of the potentially hazardous asteroid, Bennu. What do scientists hope to learn?

372 - Can I visit just one other family while social distancing?
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You're longing for connection, your child is begging for a playdate, you're stir crazy. Is it okay to visit with just one other family during the COVID-19 pandemic?

371 - What Is the Air Quality Like Near You?
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Is the air noticeably clearer where you live right now? For Earth Day, you can become a citizen scientist by using an app to track air pollution in your neighborhood.

370 - What's the Difference Between Germs, Bacteria, and Viruses?
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What’s the difference between a germ, a virus, and bacteria? Let's put these different disease-causing objects under a microscope and find out.

369 - Is Pollution Clearing While We're Staying Home?
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Although quarantine challenges us all, the reduction in human activity has meant good things for nature and our environment. Can we sustain that progress?

368 - Coronavirus Myths and Facts with Epidemics Expert Dr. Jonathan Quick
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One of the best things you can do to protect yourself from the threat of COVID-19 is to separate the facts from the myths. Dr. Jonathan Quick, infectious disease expert and author of The End of Epidemics, joined Everyday Einstein to tell you how.

174 - How Are Seasonal Flu Vaccines Made?
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Each year a new flu shot is developed to try to combat the strains of the virus expected to wreak havoc that season. But who decides which viruses make it into the vaccine? What new technologies are being used to produce that vaccine more efficiently?

367 - How Can I Sanitize My Smartphone and My House?
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Sanitation is on everyone's minds right now. What's the best way to clean your (probably gross) phone, your home, and your own hands? Do you need antibacterial soap?

366 - What Is a Chimera? Could You Be One?
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What's a chimera, and how common is chimerism? Most cases in humans are discovered by accident, so you could be a chimera and not even know it!

365 - The Science of Composting
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Rotting food in landfills is a major contributor to climate change. Composting works differently. Here's the science behind composting and some great reasons to get started.

364 - How Long Would It Take to Fall Through the Earth?
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On the "gravity train," you'd move really, really fast.

363 - Betelgeuse, Betelgeuse, Betelgeuse
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Is the flickering red giant star about to explode in a supernova?

362 - The Science of Soulmates
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Could you possibly find that one special person meant just for you?

361 - What You Need to Know About the Coronavirus
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360 - Stars Are Suns, Suns Are Bright—So, Why Is the Night Sky Dark?
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359 - Why Do Skunks Smell so Bad and What Can You Do About It?
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273 - The Fascinating Physics of Figure Skating
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358 - Science Says It Takes This Long to Form a Habit
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206 - Why and How Do Smells Trigger Memories?
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357 - Fun Snowy Science Experiments
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356 - Is Astrology Real? Here's What Science Says
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355 - Do You Have What It Takes to Be an Astronaut?
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354 - Have Scientists Discovered a Fifth Force?
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353 - Can You Still Get the Plague?
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352 - Can Science Explain Our Obsession With Pumpkin Spice?
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351 - What's in the Mariana Trench?
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350 - What's the Science Behind Why We Hiccup?
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349 - 5 Real-Life Monsters to Fuel Your Nightmares
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348 - How Can You Tell If You Have Perfect Pitch?
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347- Can Science Explain Deja Vu?
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346 - Is Vaping Dangerous? Here's What Science Says So Far
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264 - Do Essential Oils Work?
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345 - Is it too late to stop climate change?
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344 - How Deep is the Deepest Hole in the World?
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343 - Why do we laugh?
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342 - Why Does Sugar Taste So Good?
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341 - The Amazon is on fire. What can we do?
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340 - What Do Cashews, Mangos, and Poison Ivy Have in Common?
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339 - What is Chernobyl Like Today?
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338 - Microplastics Are Everywhere. Are They Harmful?
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280 - Can We Predict Earthquakes At All?
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337 - How an Idea Becomes a Published Scientific Paper
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336 - Fascinating Facts About the International Space Station
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335 - Should You Worry About Flesh-Eating Bacteria?
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334 - How Did the Earth Get Its Water?
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333 - The Power of Nuclear Weapons with Alex Wellerstein
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286 - 5 Important Facts You Should Know About Ticks
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332 - Is Screen Time Bad for Kids?
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331- The Scientific Evidence for the Health Benefits of Cordyceps
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237 - 20 Small Acts to Fight Climate Change
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330 - What Else Can Breast Milk Do?
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BONUS: Introducing Science Rules! with Bill Nye
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329 - Real-Life Zombies
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328 - Making a Career of Combining Art & Science
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195 - The Health Benefits of Coffee
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327 - How Does Wind Energy Work?
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326 - 5 Facts About the First Image of a Black Hole
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Why is the black hole image so fuzzy? Do black holes really look like lopsided donuts? Why does this matter? Everyday Einstein, Dr. Sabrina Stierwalt explains the significance of this monumental scientific achievement.

325 - What Killed the Dinosaurs?
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What caused the extinction of the dinosaurs? Everyday Einstein looks at two new studies that blame volcanoes and asteroids. So, how did the dinosaurs meet their end?

324 - Is Pluto a Planet?
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Why can't astronomers decide if Pluto is a planet or not? Everyday Einstein explains what this argument is about.

323 - Can We Cure HIV?
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What makes HIV so hard to eradicate? And how close has science brought us to a cure? Everyday Einstein explores the human immunodeficiency virus.

272 - How Does Insulin Work in Our Bodies?
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What is insulin and how do our bodies use it? What progress are scientists making toward regulating the hormone without insulin pumps or injections?

322 - Are Wormholes Real?
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What if we could take a shortcut through spacetime and visit another galaxy? Sci fi movies have imagined the possibility for years, but are wormholes real? Everyday Einstein explores the far reaches of our universe (and beyond).

321 - How long can a person hold their breath?
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Why can some people hold their breath for minutes but others only seconds? What sets that limit? Everyday Einstein explores the mechanics (and psychology) behind world record breath holders.

256 - How Much Does My Dog Understand?
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