Random Talks

Steve Ramirez and Xu Liu shoot laser beams into the brains of living mice to activate and manipulate their memories. In a funny and — perhaps &#

View full lesson: http://ed.ted.com/lessons/what-happen… The DNA in just one of your cells gets damaged tens of thousands of times per day. Beca

View full lesson: http://ed.ted.com/lessons/what-if-we-… The brain is what makes us function, yet we understand so little about how it works. We

View full lesson: http://ed.ted.com/lessons/the-case-of… In the past decade, the US honeybee population has been decreasing at an alarming and u

View full lesson: http://ed.ted.com/lessons/how-the-rub… It’s hard to imagine a modern hospital being able to function without rubber gloves — b

View full lesson: http://ed.ted.com/lessons/how-do-we-s… Your cell phone is mainly made of plastics and metals. It’s easy to appreciate the proc

Serial entrepreneur Gunter Pauli’s avowed mission is to beat the present system in which whatever is good for your health and the environment is expen

View full lesson: http://ed.ted.com/lessons/what-are-th… Sometimes, against a uniform, bright background such as a clear sky or a blank computer

View full lesson: http://ed.ted.com/lessons/is-radiatio… When we hear the word radiation, it’s tempting to picture huge explosions and frighteni

Dr. Tetsunari Iida wants power in Japan to be clean, green and renewable. One of Japan’s most respected voices on energy policy, he helped develop Jap

It is estimated that Johnson & Johnson have made an astounding 100 billion Band-Aids since they were invented in 1920. But where did the idea come

View full lesson: http://ed.ted.com/lessons/how-stress-… Stress isn’t always a bad thing; it can be handy for a burst of extra energy and focus,

View full lesson: http://ed.ted.com/lessons/how-memorie… Think back to a really vivid memory. Got it? Now try to remember what you had for lunch

View full lesson: http://ed.ted.com/lessons/how-do-anim… To human eyes, the world at night is a formless canvas of grey. Many nocturnal animals,

View full lesson: http://ed.ted.com/lessons/is-there-a-… Today, about a third of the world’s population is infected with a strange disease calle

View full lesson: http://ed.ted.com/lessons/eye-vs-came… Your eyes don’t always capture the world exactly as a video camera would. But the eyes