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Comets know how to give you the cold shoulder, asteroids love to hang out, and meteors just like to show off. Space stuff: it’s just like us.

Let's find “the answer to life, the universe and everything.” How, you ask? By reading the Hitchhiker’s Guide to the Galaxy and binge watchin...

Happy 13.7th billionth birthday, universe. You don’t look a day over 13 billion. Watch the video to learn about the beginnings of the universe, a...

In this video, we dive beneath the sea to review the kinds of interesting animals that live in the deep blue.

Don't like how someone looks? Blame their phenotypes.

Anything that has a cell (bacteria, listen up!) has phospholipids that keep the cell contained and give it form and shape. Phospholipids protect us...

Yarr, we be talkin' about Planck's constant today. It doesn't actually have anything to do with pirates, but we'll take the opportunity to talk lik...

When you turn on a light, what comes out? Friends...or photons? Well, you'll know the answer as soon as you watch this video.

Today we're learning about how forgetful transition metals can be. They lose electrons just about as quick as they find them. They'd probably lose...

What's the deal with wind? And why does it have to be so...windy?

How did people move stuff around before the wheel was invented? More importantly, why didn't they take a break for a few minutes from moving stuff...

ACT Science: Research Summary Passage Drill 2, Problem 1. Why do you think that the filter paper will not remove the salt from the water?

AP Biology: Biological System Interactions Drill 1, Problem 1. Complete the sentence about a saturated fatty acid.

AP Biology: Essential Life Process Information Drill 1, Problem 1. If one parent is heterozygous for the sickle cell trait while the other par...