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

[Music] Here at Pine Hill Middle, we have a diverse group of students focused on sixth through eighth grade. Raise your hand if you have at least three lessons passed. Good job! When it comes to Miss Grubbs, she is so creative. One of the resources she h…

Have a visit with this [Applause] fella 211, so I’m going to be out South 118. How you doing? Just ging away? Well, the reason why I stopped you, you’re speeding 85 in a 70. I just am so sorry. I was so sure when they came back with a not-guilty verdict,…

(piano music) - [Women Speaker] Air pollution consists of chemicals or particles in the atmosphere that pose serious health and environmental threats. But what causes air pollution? And what does it mean for our planet? Some air pollution comes from nat…

Like we’re stuck at home late. Red-flag! I know for three days I should go get firewood, and we should go get a couple days’ worth of something to eat here: caribou or a few ducks. The Hailstone family spends their summer living in Kowalik, away from the…

We are told a restaurant owner installed a new automated drink machine. The machine is designed to dispense 530 milliliters of liquid on the medium size setting. The owner suspects that the machine may be dispensing too much in medium drinks. They decide …

Here’s a pretty cool video! If you pour oil in water, you find that the oil does not mix with water. You can see that it’s not mixing. Why not? Well, to answer that question, we need to explore something called molecular polarity, and that’s what we’ll do…