Satya Nadella on the journey to becoming Microsoft's CEO & reimagining technology's impact

Today, let’s talk about energy resources. You’ve probably already done something today that used energy resources, even beginning from the moment you woke up. For me, the beginning of my day always starts with making tea. I use energy in every step of thi…

Hello! Welcome to Ed Talks with Khan Academy. I am excited today to talk to Pedro de Broker, and, uh, my apologies in advance for not having the correct Belgian pronunciation of his name. He is an author who has authored a number of books. We’re going to …

Foreign. We’ve now had three major bleaching events on the Great Barrier Reef: in ‘98, 2002, and again just recently in 2016. We zigzagged along the whole length in a helicopter and fixed-wing plane. We put about 100 people underwater. The extent and sev…

Tick Tock is far more dangerous than we thought. In the past two years, at least 15 kids age 12 or younger, across the globe, from Milwaukee to Sicily, have painfully passed on after attempting what seemed to them like harmless challenges they found on th…

Down by the tree of life lives a haunting flock of pure blankness. I’m coming to check on our lesser flamingos. These guys are from Africa. Hi, guys. Good morning. How are you doing? Hi, everybody. It’s egg-laying season for the lesser flamingos. And the…

In the summer months of 1977, NASA launched two spacecraft, Voyager 1 and 2, on a planetary grand tour. Their mission was to study Jupiter, Saturn, Uranus, Neptune, and everything in between. But that was actually not the initial plan. They were only inte…