OCW
How does the space station never run out of oxygen?
For over 25 years, the International Space Station’s air supply systems have revolutionized space missions. Yet the need for regular maintenance, repairs, and upgrades has pushed engineers to develop even more reliable systems for future spacecraft. How do we create breathable air in space? And wh..
TED
Psychedelics, mind control, radiation-eating: The secret superpowers of fungi
The diverse fungal kingdom, which includes everything from baker’s yeast to edible mushrooms to foot infections, has long defied assumptions. Scientists estimate that somewhere between 2 and 12 million species of fungi remain undiscovered— either because they’re microscopic, live hidden within..
TED
How a broken heart affects your body
Losing a loved one can be one of the most traumatic experiences of a person’s life. Grief brings on a whole host of strong emotions that impact both our mental and physical health. But is it possible for these powerful feelings to endanger your life? In other words, can you actually die from a bro..
TED
What causes avalanches, and can you survive them?
Avalanches are the rapid descent of snow, ice, rock, or a combination of these down a slope. They can be destructive natural disasters and personal tragedies: killing an average of 27 people annually in the US. These alpine nightmares don’t just awaken out of nowhere; they need three specific cond..
TED
Should you rinse your dishes before placing them in the dishwasher?
After years of hosting lavish dinner parties and watching her dishware get chipped during handwashing, American socialite Josephine Cochrane was convinced the world needed a better way to clean dishes. So, she built a prototype for a dishwashing contraption. And the design would become the model for..
TED
How to raise kids who question AI
AI education researcher Randi Williams has spent years studying how kids interact with technology and toys, and what she's found should make every parent stop and think. She reveals how, as tech companies embed AI inside toys, children are forming strong emotional bonds with machines. Explore w..
TED