Mark Zuckerberg on Taking Risks and Finding Talented People

Researchers at Humboldt University of Berlin have been trying to find out what happens in the brain when we’re tickled. In 1999, scientists found young rats also vocalize when they’re tickled. Are they actually laughing? What does a rat’s voice sound like…

We’re now going to talk about one of the most famous operons, and this is the Lac operon. It is part of the E. coli genome and is involved in the metabolism of lactose. The “Lac” right over here is referring to lactose, and so you can imagine that it code…

What will happen tomorrow is not random. In other words, it’s at least somewhat predictable. I mean, not entirely to be sure, but some things will happen for certain, and other things definitely won’t. For example, the sun will rise, water will still free…

We’re told you have a solid that you know is mostly sodium chloride. You suspect that it might have, or it may have, some sodium iodide, potassium chloride, or lithium chloride as well. When you analyze a sample, you see that it contains 73% chlorine by m…

Climate change is just too much. There’s never any good news. Only graphs that get more and more red and angry. Almost every year breaks some horrible record, from the harshest heat waves to the most rapid glacier melt. It’s endless and relentless. We’ve…

Hello everyone. I’m here to tell you a story today. It was the Ramadan of 2017 in Johannesburg, a few months after I started working as a photographer. I pitched the story to an editor, saying I would like to photograph the taraweeh as a contemporary look…