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Ask Science - Podcast

Ask Science

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.

Astronomy Education Science
Update frequency
every 6 days
Average duration
7 minutes
Episodes
414
Years Active
2012 - 2022
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388 - Astronomers Found a Sign of Life on Venus—What Does It Mean?

388 - Astronomers Found a Sign of Life on Venus—What Does It Mean?

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 searc…

00:06:51  |   Tue 22 Sep 2020
387 - How Do We Control Wildfires? The Surprising Facts

387 - How Do We Control Wildfires? The Surprising Facts

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 prev…

00:08:43  |   Tue 15 Sep 2020
386 - What Is a Derecho? A Meteorologist Explains

386 - What Is a Derecho? A Meteorologist Explains

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 E…

00:14:28  |   Tue 01 Sep 2020
385 - Why Do We Need to Save the Bees?

385 - Why Do We Need to Save the Bees?

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.

00:07:30  |   Tue 25 Aug 2020
384 - Did Scientists Just Unravel One Mystery of Stonehenge?

384 - Did Scientists Just Unravel One Mystery of Stonehenge?

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.

00:10:08  |   Tue 11 Aug 2020
383 - What Does Your Blood Type Mean? How Rare Is Yours?

383 - What Does Your Blood Type Mean? How Rare Is Yours?

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?

00:10:02  |   Tue 04 Aug 2020
382 - Emotional, Irritated, Faking It—Why Do Humans Cry?

382 - Emotional, Irritated, Faking It—Why Do Humans Cry?

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.

00:07:07  |   Tue 21 Jul 2020
381 - Wearing a Mask During Coronavirus—Separating Myths from Facts

381 - Wearing a Mask During Coronavirus—Separating Myths from Facts

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!

00:11:54  |   Tue 14 Jul 2020
380 - Can Nukes Actually Stop a Devastating Hurricane?

380 - Can Nukes Actually Stop a Devastating Hurricane?

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?

00:07:13  |   Tue 07 Jul 2020
379 - Is It Aliens? A Science Writer On UFOs and Her Visit to Area 51

379 - Is It Aliens? A Science Writer On UFOs and Her Visit to Area 51

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?

00:11:34  |   Tue 30 Jun 2020
243 - 8 Rules for Picking the Right Sunscreen According to Science

243 - 8 Rules for Picking the Right Sunscreen According to Science

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!

00:06:53  |   Tue 23 Jun 2020
378 - Without Plate Tectonics, Earth Might Not Support Life

378 - Without Plate Tectonics, Earth Might Not Support Life

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.

00:08:05  |   Tue 16 Jun 2020
377 - Did a Virus Make Us Mammals?

377 - Did a Virus Make Us Mammals?

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!

00:07:19  |   Tue 09 Jun 2020
376 - Has NASA Found a Parallel Universe?

376 - Has NASA Found a Parallel Universe?

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.

00:08:51  |   Tue 02 Jun 2020
375 -

375 - "Is Takeout Safe?" and Other Food Safety Questions

How concerned should you be about transmission of the novel coronavirus through food?

00:14:30  |   Tue 26 May 2020
374 - Subterranean Rivers—Water Flowing Underground

374 - Subterranean Rivers—Water Flowing Underground

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?

00:07:55  |   Tue 12 May 2020
373 - Why Is a NASA Spacecraft Currently Orbiting an Asteroid?

373 - Why Is a NASA Spacecraft Currently Orbiting an Asteroid?

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?

00:07:47  |   Tue 05 May 2020
372 - Can I visit just one other family while social distancing?

372 - Can I visit just one other family while social distancing?

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?

00:07:04  |   Tue 28 Apr 2020
371 - What Is the Air Quality Like Near You?

371 - What Is the Air Quality Like Near You?

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.

00:06:46  |   Tue 21 Apr 2020
370 - What's the Difference Between Germs, Bacteria, and Viruses?

370 - What's the Difference Between Germs, Bacteria, and Viruses?

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.

00:08:45  |   Tue 14 Apr 2020
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