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We’re pretty sure that a parsec is the amount of time it takes a golfer to make par, but just in case we’re wrong, let’s check out this video.

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...

In this video from our course on molecular genetics, learn all about animal cloning.

In this video from our course on molecular genetics, learn all about DNA replication.

Don't even think about stepping foot into a lab until you drink a nice big cup of safe-ty. Safety lesson number one: do not listen to this descript...

Today we're playing with fire. Wait, we're not supposed to say playing...having fun with fire? Today's lesson is on the colors that can be emitted...

These figures may not be significant to you, but they matter to us, okay? Oh, and to Science. They matter a ton to Science.

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...