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

So you can see a skull very clearly up there, and actually, if you look closely, you can see there’s a number of other bones: long bones, bones of the foot. So, a whole pile of bones here. This is Ella Al-Shamahi; she’s standing on a rocky hillside next t…

It’s fair to say that North Korea is one of the most isolated, least understood places on Earth. Part of the reason that it is so misunderstood, and nothing is known about it, is there have been very few photographs that have ever been taken there. (appla…

We’re told that a 10 liter cylinder contains 7.60 grams of argon in gas form and 4.40 grams of molecular nitrogen, once again in gas form at 25 degrees Celsius. Calculate the partial pressure of each gas and the total pressure in the cylinder. Alright, s…

Part C: A researcher estimates that in a certain organism, the complete metabolism of glucose produces 30 molecules of ATP for each molecule of glucose. The energy released from the total oxidation of glucose under standard conditions is 686 kilocalories …

This timeline here covers 200,000 years, from 200,000 years into the past to the present. Just to get a sense of the scale of this, if we were to go 2,000 years ago to the time of the Roman Empire, that would be roughly here on the timeline. If I were to …

Let’s get a little bit more practice dividing. So let’s say we want to figure out what 868 divided by 28 is. Pause this video and see if you can figure that out. All right, now let’s work through this together. So we’re going to take 28, we’re going to d…