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It's Okay to Be Smart
Where On Earth Do You Weigh The Least?
Season 7
Episode 4
You may have heard that a kilogram of feathers weighs the same as a kilogram of steel, but that all depends on where you weigh them. This video is all about the difference between mass and weight, and how weirdly awesome Earth’s gravity really is.
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5:00
Earth has seasons, but what about the rest of the planets in the solar system?
5:21
News about climate change is often full of doom, guilt, and anxiety.
5:58
From spirals to spots to fractals, nature is full of interesting patterns.
6:30
Glacier ice flows like a liquid, and it does that without melting!
4:22
This week we investigate the beautiful phenomenon of bioluminescence.
5:41
This week we look at ancient Egyptian mathematics, building techniques, tools, and culture
5:58
In part 4 of our special series on human ancestry and evolution, we look into the future.
6:06
In part3 of our special series on human ancestry we investigate how closely related we are
4:18
Learn all about the science of human hair in this week’s video!
6:09
New research has shown that Neanderthals were not the brutish, unintelligent cavemen that
6:18
we tour through our family tree to meet our ancestors and distant cousins
3:36
New research is finally unlocking the paw-in-hand evolution of dogs and humans.