7:32
It’s Alive! Sort Of.
Researchers have managed to keep cells functioning in pig brains hours after death—but the brains show no evidence of neural activity.
21:21
After A Year in Space, Subtle But Lingering Changes
From telomeres to immune response, how astronaut Scott Kelly’s gene expression changed after a year on the ISS.
34:15
Plunging Into The Physics Of The First Black Hole Image
Event Horizon Telescope scientists break down the brand new image of the supermassive black hole at the center of nearby galaxy Messier 87, and explore what lies beyond in black hole science.
Where Does Black Hole Science Go After The First Picture Of One?
Researchers who worked on the Event Horizon Telescope have released the first image of a black hole’s shadow. Now what?
The Very First Image Of A Black Hole
After 20 years of coordinating a global network of radio dishes, the Event Horizon Telescope photographed the shadow of a black hole.
Play Event Horizon Bingo!
Remember: When it comes to amazing science, we're all winners.
SciFri Extra: Picturing A Black Hole
The Event Horizon Telescope aims to take an image of a black hole. In this archival interview, astronomers describe the project's methods and goals.
17:10
One Constant, Two Answers
Astronomers are trying to figure out how fast the universe is expanding. But two approaches are giving different answers.
23:12
Steven Strogatz On The ‘Infinite Powers’ Of Calculus
From gravity to HIV treatments, calculus has helped us understand our universe.
‘My God, It’s Full Of Stars’
Read Poet Laureate Tracy K. Smith's poems influenced by science.