Now You Can Peruse Carl Sagan’s Stuff
A collection featuring Carl Sagan paraphernalia is open to the public at the Library of Congress.
Bristling at the Cold
Its brown and black bristles help this creature survive harsh winters.
20:30
“Hatching Twitter”: A Tale of Booze and Backstabbing
New York Times columnist Nick Bilton’s new book reveals the social network’s dark side.
16:20
Early Balloonists Took Science Up, Up and Away
Falling Upwards chronicles the balloonists who took science into the stratosphere.
A Butterfly’s-Eye View: Aloft in a Balloon
Camille Flammarion’s balloon excursions afforded a new perspective on the world.
Turmoil at Twitter: A CEO’s Ouster
Evan Williams was forced out of the company in a boardroom coup carried out by the people he had hired.
What You Didn’t Know About Einstein
When you find yourself wanting to re-read a book that you just finished, you gotta recommend it to others.
16:51
Einstein’s Real Breakthrough? Quantum Theory
Einstein is best known for relativity, but was his quantum theory more revolutionary?
29:58
Chris Hadfield’s Lessons From Life in Orbit
Retired astronaut Chris Hadfield explores life floating through space and back on Earth.