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Repairing Notre Dame's Vaults with Underground Quarries
2:51
Hidden under Paris is a rich source of limestone, a vast labyrinth of quarry tunnels.
How Percy Julian Became a Great 20th Century Scientist
5:29
It took Black chemist Percy Julian more than 10 years to earn his Ph.D.
How—and why—DNA Testing Uses Biased Reference Databases
5:20
Are DNA ancestry tests equally accurate for all test takers?
Where Did the Cannabis Plant Come From?
4:10
What cannabis DNA can reveal about the plant’s evolution.
Extract Your Own DNA
2:45
Behold your very own DNA in this do-it-yourself science experiment.
Five Facts About the Red Planet
1:03
Getting to know our red celestial neighbor.
Your COVID-19 Vaccine is Coming
7:12
Learn more about the first coronavirus vaccines.
New COVID-19 Variants Spread More Easily
7:15
Why are the new coronavirus variants making COVID-19 more transmissible?
Lingering Symptoms from COVID-19 are “Unprecedented”
5:05
Could an out-of-order immune system be to blame?
What Gives Hot Peppers Their Heat?
8:22
"Beyond the Elements" host David Pogue explores the science of hot peppers—viscerally.
Sciencing Out: What it Means to Make Information Tangible
14:22
There are experts whose job it is to make numbers tangible and help us visualize data.
Mysterious Bones Found in 500-Year-Old Shipwreck
3:03
Sometimes archaeology can reveal things that written sources can't.
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