They may not look like much, but beneath that shell lies an evolutionary mystery - one that stumped the biggest names in natural history for over a hundred years.

Some plants can drink water from the air - and that has some weird effects on the forests where they live.

Oops! You drop your precious midnight snack on the floor! You just picked it up really quick, like less than five seconds, so it is ok to eat, right? But is the 5-second rule really legit? Hosted by: Michael Aranda ----------

Where does the water on the road go after a rain day? And taking care of them can be very important!



Second Grade Next Generation Science

Standards

Dis

ciplinary Core Idea:

ESS2.C: The Roles of Water...

Oops! You drop your precious midnight snack on the floor! You just picked it up really quick, like less than five seconds, so it is ok to eat, right? But is the 5-second rule really legit?

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

Beau Lotto's color games puzzle your vision, but they also spotlight what you can't normally see: how your brain works. This fun, first-hand look at your own versatile sense of sight reveals how evolution tints your perception of what's...

Inspired by cell division, Michael Hansmeyer writes algorithms that design outrageously fascinating shapes and forms with millions of facets. No person could draft them by hand, but they're buildable -- and they could revolutionize the...

The Arctic may seem like a frozen and desolate environment where nothing ever changes. But the climate of this unique and remote region can be both an early indicator of the climate of the rest of the Earth and a driver for weather...

Biologist Robert Full shares slo-mo video of some captivating critters. Take a closer look at the spiny legs that allow cockroaches to scuttle across mesh and the nanobristle-packed feet that let geckos to run straight up walls.

A freshly-mopped floor is slippery, but a wet shirt is super-clingy... so what's the deal? Why can water make some things slick and other things sticky?

Octopuses have tons of strange and amazing adaptations that help them live their best lives underwater. And those incredible traits could help us in many ways.

Cha
pters

View all
1 SUPER
-STRONG
SUCTION
...

Today, we all do our best to protect ourselves from coronaviruses. But a lot of what people are doing doesn’t really help, and it could take away supplies from those who actually need them. Hank explains what does help, and how it...

Getting our hands on a few moon rocks radically changed our understanding of the solar system!

Why are most manhole covers round? Sure it makes them easy to roll, and slide into place in any alignment. But there's another, more compelling reason, involving a peculiar geometric property of circles and other shapes. Marc Chamberland...

Cancer usually begins with one tumor in a specific area of the body. But if the tumor is not removed, cancer has the ability to spread to nearby organs as well as places far away from the origin, like the brain. How does cancer move to...

What's better than slipping and sliding in your backyard on a hot summer day? It's so much fun! But, how does this fun happen? It has a little something to do with friction!

The welding process usually involves pretty extreme levels of heat. But it turns out that in the cold vacuum of space, metals can weld together... automatically.

Like every rose has its thorn, the fangblenny is an adorable fish with sharp fangs and potent venom. But scientists think we might be able to use their venom as a painkiller! Meanwhile, a killer bacterium could be a promising new...

Does anyone really think there's something magical about five seconds when it comes to food and the floor? There's a press release out this week (I still can't find the study) that claims that the five second rule is "real". It isn't. If...

Howcast - Learn how to walk in high heels on uneven surfaces from celebrity podiatrist Emily Splichal in this Howcast video.

Howcast - You don't have to be a neat freak or interior designer to get the house looking good. But if you tend to let things go till the 11th hour, fake a clean house with some quick compromises and distractions.

Professional organizer Barbara Reich, no cluttered room is a challenge. With a 360-degree approach to organizing, Barbara can take any room from messy to magical! Here, Barbara works her organization magic in the home of James and...

Welcome back to the Fluctus Channel to explore the complex process of the maintenance and painting of gigantic Ships. Fluctus is a website and YouTube channel dedicated to sea geeks. Whenever you are curious or an incorrigible lover of...