If a surface is contaminated with the SARS-CoV-2 virus, how long does it pose a risk of infection?

What has tough skin, a tiny tail, and a big horn on its nose? A rhino! Join Jessi and Squeaks and learn all about these super cool, super strong animals!

Scientists know that things like people’s heart rates, breathing, and even footfalls tend to line up when they’re doing things together, but we're learning that even the electrical activity in your brain can sync up too!

Jessi and Squeaks learn all about crystallization while they make some yummy rock candy!



Second Grade Next Generation Science

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iplinary Core Ideas:

PS1.A: Structure and Properties...

Heart transplants are hard to come by, but based on the results of two papers published this week, we might one day be able to grow all the organs we need!

This Valentine’s Day, send a little love to your bacterial buddies! Our microbes keep us healthy, but some bacteria give their animal companions superpowers, like immunity to poison, or even invisibility!

Scientists may have found a recombinant variant of COVID-19 in the wild, and its mixed DNA could be essential to the coronavirus life cycle.

In 2020, China's President Xi Jinping pledged that China would both peak its emissions by 2030 and achieve net-zero emissions by 2060 -- a change that will require action at an unheard-of scale and speed. Can the country actually achieve...

The world is full of colors. Almost all of them can be described by a wavelength of visible light, but there are some colors out there that are just in your head!

The energy in the universe never increases or decreases -- but it does move around a lot. Energy can be potential (like a stretched-out rubber band waiting to snap) or kinetic (like the molecules that vibrate within any substance). And...

Black holes are some of the most extreme astronomical objects out there, but there are some that really standout. Let's look at black holes that grow larger, consume more, and spin faster than the rest.

Maybe you've noticed that clouds come in all shapes, sizes and colors. Did you know you can use clues from the clouds to help you figure out what the weather might be like where you live? Jessi and Squeaks have made up a game to help...

What makes a book a book? Is it just anything that stores and communicates information? Or does it have to do with paper, binding, font, ink, its weight in your hands, the smell of the pages? To answer these questions, Julie Dreyfuss...

The price of insulin in the US is both outrageous and deadly to those who can't live without it. Diabetes advocate Brooke Bennett shares her own struggles living with type 1 diabetes and how the astronomical cost of a life-saving drug...

Hank and Phil Plait dive deep into questions about gametes and sea mammals in this episode of SciShow Quiz Show!

Today we're going to talk about LARPs or live action role-playing games. Larping tends to conjure up the image of a bunch of nerds hitting each other with foam weapons but it's much more than that. LARPs merge performance, community, and...

Scientists are trying a little bit of everything to fight the virus that causes COVID-19, but some researchers are harnessing more than just the usual virus-fighting repertoire, from tiny sponges to viral RNA-destroying bubbles.

Measles, mumps, and polio are things we can prevent with vaccines, but scientists are looking to add a surprising entry to that list: Type 1 diabetes.

To save the achoque -- an exotic (and adorable) salamander found in a lake in northern Mexico -- scientists teamed up with an unexpected research partner: a group of nuns called the Sisters of the Immaculate Health. In this delightful...

What do the first stars in the universe, dark matter, and superior siege engines have in common?

If you’re getting restless from social distancing and wishing you could do more to help fight the global pandemic, here are some ways that you can help scientists fight COVID-19—all from the comfort of your home.

These three stars can easily be seen with the naked eye, but it took some fancy telescopes for us to realize how weird they really are!

In this episode, welcome in Matt O'Dowd as the new host to rigorously take you through the mysteries of space, time, and the nature of reality. We're starting off this new season with perhaps one of the most mysterious things of all -...

Some words just SOUND like the thing they refer to. But are these associations come from the specific culture we were raised in, or is there something more fundamental going on here?