How does your brain wake up from sleep?

The mystery of how the brain creates consciousness still puzzles scientists, but the mechanics of waking up are starting to be understood.

Aneesh Hehr, Medical Student, Wayne State University • conversation
Jan. 4, 2021 ~6 min

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Why do different countries have different electric outlet plugs?

There are 15 different kinds of electrical outlets around the world. One standard would be more convenient, but no one wants to change theirs.

Theodore J. Kury, Director of Energy Studies, University of Florida • conversation
Dec. 21, 2020 ~6 min

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Mermaids aren't real – but they've fascinated people around the world for ages

Mermaids are not real, but are meaningful to people around the world.

Peter Goggin, Associate Professor of English, Arizona State University • conversation
Dec. 14, 2020 ~6 min

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Why do tigers have stripes?

How do tigers – a top predator – successfully hunt their prey when they have bright orange fur? The secret's in their stripes!

Andrew Cushing, Assistant Professor in Zoological Medicine, University of Tennessee • conversation
Nov. 23, 2020 ~6 min

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Why do tigers have different stripe patterns?

How do tigers – a top predator – successfully hunt their prey when they have bright orange fur? The secret's in their stripes!

Andrew Cushing, Assistant Professor in Zoological Medicine, University of Tennessee • conversation
Nov. 23, 2020 ~6 min

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How do geese know how to fly south for the winter?

Geese honk loudly and point their bills toward the sky when they're ready to start the migration. Here's how they know it's time, how they navigate and how they conserve energy on the grueling trip.

Tom Langen, Professor of Biology, Clarkson University • conversation
Nov. 16, 2020 ~8 min

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Why does some rain fall harder than other rain?

Some rainstorms drench you in a second, while others drop rain in a nice peaceful drizzle. A meteorologist explains how rainstorms can be so different.

Jeffrey B. Halverson, Professor of Geography & Environmental Systems, Associate Dean of the Graduate School, University of Maryland, Baltimore County • conversation
Aug. 13, 2020 ~5 min

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Do dogs really see in just black and white?

Your faithful friend's view of the world is different than yours, but maybe not in the way you imagine.

Nancy Dreschel, Associate Teaching Professor of Small Animal Science, Pennsylvania State University • conversation
July 2, 2020 ~6 min

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What is the slowest thing on Earth?

Physicists can use bright, hot lasers to slow atoms down so much that they measure -459 degrees Fahrenheit.

Katie McCormick, Postdoctoral Scholar of Physics, University of Washington • conversation
June 22, 2020 ~6 min

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What makes something smell good or bad?

Mmmmmmm. That smells delicious. Wait, how do you know that?

Weihong Lin, Professor of Biological Sciences, University of Maryland, Baltimore County • conversation
June 1, 2020 ~5 min

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