The Internet Has Massively Broadened Career Possibilities

So let’s start looking at a short sequence of DNA and the letters. I’m going to use these as the shorthands for the various nucleotide bases that make up a sequence of DNA. So let’s say that I have some thymine, thymine, cytosine, guanine, cytosine, thym…

Honeybees are our most efficient and effective pollinators, so they pollinate lots of fruits and vegetables. We’ve invited a classroom full of DC kids to come down here and put on the bee veil and a bee suit for protection. Uh, we’ll open up beehives and …

Oh, there’s nothing really crazy bad. I walk around and they may take a foot of your dog. I take a photo of your dog. I take a photo of your dog, say, “Okay, okay, good luck trying to get his photo.” Sit! Squeak toy comes out. I start making a weird nois…

Hello teachers, I’m Sal Khan, founder of the not-for-profit Khan Academy, and I’m here to announce a nationwide back-to-school learning challenge called LearnStorm. LearnStorm is an exciting way to jumpstart your school year around learning activities. …

Do you think the European Union is worth it? Or should we end it? Many people feel a strong disconnect with the EU, while others praise its achievements. Everything considered: Is its existence good or bad for Europeans? Since it looks like the UK is leav…

[Applause] Welcome, everybody. Um, getting bigger? Yeah, yeah, I hear you guys are too. Um, okay, so um, these are the questions that I was curious about, um, and I think they’ll be the questions you guys are curious about too. I’m going to ask a lot abou…