In August 1968, factory workers overheard news of a mandatory meeting. Whispered rumors described shipments of a gift from the country's Communist leader, Chairman Mao Zedong. And sure enough, managers soon distributed a gift to every...

Geysers are amazing natural formations that shoot magma-heated water from deep below the Earth's surface! What could possibly be cooler than that?!

So how do astronauts manage to pee and poop in microgravity? And what happens to all of their waste? Do you really want to know? If you do, the answers are inside!

It's so obvious that it's practically proverbial: you can't unboil an egg. But actually, it turns out that you can -- sort of. Eleanor Nelsen explains the process by which mechanical energy can undo what thermal energy has done.

NASA recently sponsored new research into turning human waste into useful things, like food and plastic. And it might be used on long-term spaceflight someday.

So, what happens to normal stuff (like water) when it goes to not so normal places? What happens if you take a glass of water to the top of Mt. Everest? Or Space? In this episode of Crash Course Kids, Sabrina shows us how matter is...

In the 1960s drug-resistant strains of malaria emerged, making the disease even deadlier than before. Then, pharmaceutical scientist Tu Youyou discovered a promising new remedy buried within the pages of ancient Chinese texts.

Many people avoid using microwave ovens, fearing how it changes the molecular structure of your food, but studies have some evidence that may surprise you.

Jessi and Squeaks grab a snack and learn all about why boiling eggs makes them hard!



Second Grade Next Generation Science

Standards

Disc

iplinary Core Ideas:

PS1.A: Structure and Properties of...

Mr. Andersen explains the difference between physical and chemical changes. A brief discussion of chemical reactions and equations is also included.

Howcast - Boiling veggies or pasta? Let the leftover water cool; then use it on potted plants or garden beds. You'll save water _and_ nourish your plants. Yum!

Howcast - Learn how to make ghee from cookbook author Maya Kaimal in this Howcast Indian food video.

Howcast - Blanching vegetables by cooking them briefly in boiling water and then chilling them in ice water keeps veggies tender-crisp, colorful, and full of flavor. Try this technique for your next crudite platter, when freezing your...

Howcast - The humble sweet potato is packed with nutrition; is simple to bake in an oven, microwave, or cook on a grill; and can be seasoned with a variety of your favorite toppings as well as paired with other vegetables.

Howcast -Learn about the best cooking methods for making fruit and vegetable purees from Petit Organics founder Michelle Muller-Marinis in this Howcast video.

Howcast - There are simple tasks and then there are incredibly simple tasks. Boiling water is even simpler than that. But hey, nobody's calling you a moron—there's a first time for everything.

Boiling a lobster is practically as easy as it sounds. Here's how to do it perfectly every time.

Potatoes may be full of vitamins, but they're also full of hidden uses.

DIY SCI host Steve Spangler demonstrates how to crush a can using a little bit of water, some heat, and air pressure!

DIY SCI host Steve Spangler demonstrates how using heat and a little water can cause air pressure to crush a can!

This delicious afternoon tea cake from the Langham London is the perfect mini treat to see you through until dinner.

Make a simple meal for one with this cheat’s ramen. Watch Cassie Best upgrade a pack of instant noodles with hearty toppings like eggs, veg and chilli.

Do you love boiled eggs but absolutely HATE peeling them? Have we got some advice for you.

Our love of reckless recreation, and our fascination with ‘lost in the wilderness’ movies means that almost all of us could reel off at least a few survival tactics. The trouble is, are they reliable or could some of them actually make...