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7:52
Processing can turn the same plastic into very different products.
4:19
In 2018, June Smith takes a consumer DNA test, hoping to solve a longstanding mystery.
2:51
Hidden under Paris is a rich source of limestone, a vast labyrinth of quarry tunnels.
5:29
It took Black chemist Percy Julian more than 10 years to earn his Ph.D.
5:20
Are DNA ancestry tests equally accurate for all test takers?
4:05
This researcher shoots lasers at trees in order to measure how much carbon forests store.
6:08
Hear from two scientists trying to hack photosynthesis.
14:34
Watch the first-ever video documenting this live two-way dream communication.
4:10
What cannabis DNA can reveal about the plant’s evolution.
7:11
To jumpstart evolution, a scientist shows, just add soap.
5:05
Could an out-of-order immune system be to blame?
8:22
"Beyond the Elements" host David Pogue explores the science of hot peppers—viscerally.
