Mark Zuckerberg on Taking Risks and Finding Talented People

Now I’d like you to make a prediction. In my left hand, I have a basketball; in my right hand, a 5 kg medicine ball. If I hold them both above my head and then let them go simultaneously, which one will hit the ground first? Six years ago here at the Uni…

Rulers are often related, with power passing from member to member, forming a dynasty. This occurs not just with royalty or dictators, but also with representatives in a democracy. Families frequently pass power or compete with other families for a turn a…

Somehow these elephants are eking out a living in a landscape that anyone else would think is lifeless. Conservationist Dr. Paula Kahumbu has spent her career studying the elephants of Africa’s lush savanna grasslands. But she’s never laid eyes on a deser…

This is the world’s largest 3D metal printer. It was built by Relativity Space, a startup that aims to print an entire rocket, including fuel tanks and rocket engines, in just 60 days. I’m like looking inside a 3D printed rocket that is actually gonna go …

Hello friends and welcome to the distant past! Because today we’re talking about the past tense, which refers to stuff that has already happened. There are many ways to form the past tense, but for right now, I just want to focus on the basic version, wh…

Hello grammarians! Today, I want to introduce the idea of the verb tense. The way I want to do that is to express the following: if you can master grammatical tenses, you will become a time wizard—a literal, actual time wizard. Because tense is nothing mo…