Safari Live - Day 337 | National Geographic

I think the public can do extremely well in the stock market on their own. I think the fact that institutions dominate the market today is a positive for small investors. These institutions push stocks on usual lows; they push them on usual highs. For som…

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…

I became completely obsessed with them when I was seven. I have no idea why. I’m fairly obsessive person, and so all of my spare time as a teenager was spent sitting in my blind, taking mostly, in fact, almost all useless photographs of kingfishers. What …

In my animal misconceptions video, I casually mentioned that daddy long legs aren’t spiders and received a ton of comments asking for clarification or suggesting that it’s not that simple. So I feel the need to clear things up a bit. But first, a disclaim…

Some critics of the TV show Mythbusters claim that the show misrepresents the scientific process. For example, experiments are sometimes conducted only once and without adequate controls, but then these results are generalized to make definitive claims ra…

In this video, we’re going to think about function inverses a little bit more, or whether functions are inverses of each other. Specifically, we’re going to think about can we tell that by essentially looking at a few inputs for the functions and a few ou…