Safari Live - Day 42 | National Geographic

What we’re going to do in this video is calculate a typical measure of how well the actual data points agree with a model—in this case, a linear model. There are several names for it; we could consider this to be the standard deviation of the residuals, a…

What if you lived in the 1500s and you knew there was a guy named Sir Jeffrey Bezos and Sir Elon Musk, and you knew they were building what they were going to call Mayfl flowers? These May flowers were going to be able to take people to new worlds. How wo…

In fact, I’ve got behind me Popper’s book called Objective Knowledge and it’s subtitled An Evolutionary Approach and that’s no accident at all either. There’s symmetry between the theory of epistemology and the theory of evolution as we understand it. Be…

When you go to the beach and you look at the ocean, it oftentimes might look fine. But as we’ll see in this video, we human beings have been stressing aquatic environments, and if we’re not careful, we might completely ruin them. For example, this is wha…

I started when I was 23 years old, working for a jet broker in Washington DC. In those days, it was maybe six or seven jet brokers in the United States. I don’t think there were any outside the United States at the time. It was really in the beginning of …

Lucas: It’s like a sunset. Of tuna. The producers told me that I was going to be interacting and eating sushi in some way. The rarity, the specialness of the experience was not conveyed and could not have been conveyed. Here we are in Tokyo. Just got off…