Mark Zuckerberg on Taking Risks and Finding Talented People

Hi everyone, this is Jeremy Schiefflin with Khan Academy. Happy Friday! We’ve now officially made it through not only the full week but a full month of all this, so please give yourself a huge pat on the back for surviving and progressing in the face of …

In a previous video, we took a look at the labor markets, and we thought about it in the context of the entire market and how it might impact a firm. So let’s say that all of a sudden, the nation’s immigration policy changes where they’re willing to bring…

All right, part B. A fresh zinc-air cell is weighed on an analytical balance before being placed in a hearing aid. For use, as the cell operates, does the mass of the cell increase, decrease, or remain the same? Justify your answer to part B1 or B1. In t…

We are told figure two is a scaled copy of figure one. So this is figure two; here this is figure one. Looks like figure two not only has it been scaled down to a smaller version, but it also looks like it has been rotated 180 degrees, or you could say it…

Ian Ball had never been a religious person. He never really thought about God. But scarring from brain surgery brought on a series of visions that made him question everything. “It’s carried on for about three or four weeks. About how often? Every day. E…

[Music] The Coast Guard Cutter Polar Star is the most powerful icebreaker in the world. Our mission is to cut a channel that’s 18 miles long through 8 to 12 feet of ice so that the supply ships can resupply the continent. This is where we earn our money. …