Mark Zuckerberg on Taking Risks and Finding Talented People

As light travels through space, it behaves like a wave, but light is also made of tiny particles called photons. This is the paradox of wave-particles, and it has completely revolutionized modern physics. The universe is filled with intriguing paradoxes l…

Health is the most valuable thing we have in life, but we tend to forget that until we lose it. We’re living longer than ever before, which is great, but an unforeseen consequence of this is that we also spend a larger and larger portion of our lives bein…

So let’s talk a little bit about charitable giving, and this one is close to my heart because I run a non-profit. Why do folks donate to charity? Well, you might have your own motivations. For most folks, I think it just feels good. They might feel that …

In the 1970s, thousands of Chickenheads rained from the sky in Europe, making foxes and other wildlife confused and very happy. Why? They were filled with a vaccine to fight the deadliest virus known to humanity. Since the 1930s, a rabies epidemic had bee…

In this video, I want to talk about the system of Jim Crow segregation, which was common in the United States from about 1877 to approximately 1954, although it goes a little bit further than that. Now, you’re probably familiar with some of the aspects of…

Let’s see if we can figure out what 2 divided by 0.1, or 1⁄10, is. Pause this video and see if you can figure that out. All right, now let’s work through it together. There are a couple of ways that we can approach it. One way is to think about everythin…