Safari Live - Day 368 | National Geographic

I remember that I did not make my fortune, such as it is, by predicting macroeconomic changes better than other people. What Bubba and I did was we bought things that were promising, and then we just—sometimes we had a tailwind from the economy and someti…

[Music] We’re heading out to the front, just a stone’s throw from Isis. This is the most at-risk coastline in the US. We could all go extinct. Back off! Don’t touch anything! Cult is not a negative thing if it c’s my head, and it does. These are criminals…

What’s up you guys? It’s Graham here. So your 20s are really such an important time. I honestly believe that it’s these early years that best form the foundation for everything else you do later in life. Much like it’s the easiest to learn a second langua…

This is a video about the oldest unsolved problem in math that dates back 2000 years. Some of the brightest mathematicians of all time have tried to crack it, but all of them failed. In the year 2000, the Italian mathematician Piergiorgio Odifreddi listed…

Hi everyone! Nice to meet you. My name is Danielle Sullivan, and I’m so excited to be the facilitator of this excellent math conversation today with my amazing colleagues. Today, we want to talk about math instruction, how it’s changed and shifted since t…

What I’d like to do in this video is get an intuitive sense for what the derivative with respect to x of sine of x is and what the derivative with respect to x of cosine of x is. I’ve graphed y is equal to cosine of x in blue and y is equal to sine of x i…