11:20
Be Smart
Inside the Lab That Invented the COVID-19 Vaccine
This is how to make a COVID-19 vaccine.
Why Is Our Skeleton On the Inside?
Join Joe Hanson as he explores curiosity and illuminates the science behind… well, everything.
Why Is Our Skeleton On the Inside?
Season 8 Episode 15 | 8m 11s | CC
Having bones is pretty cool. They make our blood, let us hear, and keep us from being just a squishy puddle on the floor. But for every species with bones, there are at least 20 species on Earth with exoskeletons instead. And those exoskeleton animals are incredibly tough and strong. So why don’t WE have our skeletons on the outside? This is the story of bones!
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