OCW
A whale’s-eye-view of the ocean
A hand-built camera with suction cups captured something no one had ever seen: two sperm whales communicating and swimming together in the deep ocean. Engineer Eric Stackpole shares the story of how a scrappy, DIY tool revealed this intimate glimpse into the lives of these giants — and makes the c..
TED
How do snakes swallow animals so much bigger than they are?
Since slithering onto the scene some 150 million years ago, evolving length and limbless-ness out of their ancestral lizard forms, snakes have diversified rapidly. Their noodly bodies and flexible heads granted them access to novel places and prey. And today, there are nearly 4,000 snake species, sp..
TED
The art and science of wine tasting
No two people taste wine the same way, and science is starting to show us why. Sensory scientist Qian Janice Wang explores why experts and beginners experience complexity so differently — revealing that what makes a wine great may have less to do with what's in the glass and more to do with w..
TED
The nurse who can smell Parkinson’s
What does Parkinson's smell like? Ask nurse Joy Milne. Born with a hypersensitive nose, she spent a lifetime learning to recognize diseases through their scents. When she smelled Parkinson's on her husband years before his diagnosis, she decided to put her gift to the test. Today, her extr..
TED
What happens if you eat a silica gel packet?
Of the many, many things we’re not supposed to snack on, perhaps the most common forbidden food is silica gel. This tiny packet pops up in packaging for everything — from TVs and guitar cases to sunscreen and snack foods. So why is silica gel everywhere, and what would actually happen if you ate..
TED
Stress resets, the ultimate mental health hack
Stress is contagious — but so is calm. Psychologist Jenny Taitz explains why one stressful moment tends to snowball into the next, and shares small, immediate resets you can practice anywhere to break the spiral before it starts.
TED
