Tag: TED
-
Is That Satellite Junk? Or An Important Piece of Australian History?
Please don’t go all Chicken Little on us, but do be aware: there’s thousands of pieces of metal orbiting above your head. Many of these satellites are dead (read: out of fuel and uncontrollable.) And if one happens to smash into another, the results could be catastrophic. Humans depend on satellites for everything from the…
-
Life of an astronaut – Jerry Carr
In one of the TED-Ed’s lessons worth sharing – astronaut Jerry Carr share his experience on space. As commander of Skylab, he spent over 2000 hours in space, orbiting the Earth over 1000 times. Recounting his life story, Carr remembers the enchanting years he spent at NASA.
-
How to green the desert and reverse climate change
“Desertification is a fancy word for land that is turning to desert,” begins Allan Savory in this quietly powerful talk. And it’s happening to about two-thirds of the world’s grasslands, accelerating climate change and causing traditional grazing societies to descend into social chaos. Savory has devoted his life to stopping it. He now believes —…
-
Amy Cuddy at TED: Your body language shapes who you are
Body language affects how others see us, but it may also change how we see ourselves. Social psychologist Amy Cuddy shows how “power posing” — standing in a posture of confidence, even when we don’t feel confident — can affect testosterone and cortisol levels in the brain, and might even have an impact on our…