Safari Live - Day 368 | National Geographic

[Music] Hey everybody, this is Josh Lehrer from Lancaster, Miami, and one of the coolest parts about my job is the fascinating people that I get to meet who sometimes will just walk in off the street with something really cool. Sometimes not only is the c…

This is a video about the most important algorithm of all time, the Fast Fourier Transform or FFT. I mean, you use it all the time, including right now to watch this video, and it’s used in radar and sonar, 5G and WiFi. Basically, anytime a signal is proc…

What’s up, Graham? It’s guys here. So, I’ve noticed that people love to over complicate investing. Just buy into money puts expiring on May 12th over here, March in your portfolio. When the Fibonacci sequence falls below the 369-day moving average, you’ll…

[Narrator] Today cancer causes one in every seven deaths worldwide. But how does cancer start, and what is being done to combat it? Our bodies contain trillions of highly specialized cells, and each carries genes responsible for regulating cell growth and…

In 1901, this ancient Greek artifact was discovered in a shipwreck off the island of Antikythera. 3D x-ray scans have revealed it contains 37 interlocking bronze gears, allowing it to model the motions of the sun and moon, and predict eclipses decades in …

Hello and welcome to Ed Talks with Khan Academy! I’m Kristen De Cerva, the Chief Learning Officer here at Khan Academy, and I’m excited today to talk to Ned Johnson, who’s an author, speaker, and founder of PrepMatters, which is a company providing academ…