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6:16
Born with a damaged heart, two-week-old Harlow needs a transplant.
3:27
Custom-built lungs, livers, kidneys and hearts could someday save thousands of lives.
4:12
Science's most important number has its origins in a British experiment involving tea.
3:38
Crowds hold a predictive power that can have startling accuracy.
4:14
Churchill launches the largest military evacuation in military history.
3:30
Watch as a team of divers attempts to retrieve an ancient skull.
3:18
Tabby’s star flickers erratically and no one knows why—could it be an alien megastructure?
2:16
The hunt for pollution in other planets’ atmospheres may determine whether we are alone.
6:39
Astrophysicist Jason Kalirai observes stars and searches for habitable planets.
3:10
"I felt an almost father-child relationship with this organism," the entomologist says.
3:43
Microbes colonize our skin, guts, and bodies—but we wouldn’t be ourselves without them.
2:14
Bitcoin and other cryoptocurrencies—the future of money or hype? Here's what they are.
