Safari Live - Day 121 | National Geographic

Most of us would agree that cats and humans are vastly different. We tend to think of ourselves as more developed, as a higher species, not just because of our superior intelligence but also because we gave ourselves the gift of morality and ethics. Unlik…

In this video, we’re going to think about how ions will arrange themselves when they form solid crystals, when they form these lattice structures. So, just in very broad brush terms, let’s say that we have a bunch of this white cation and we have a bunch …

Hello Internet! I asked for questions, and boy, did you deliver with more than 7,000, so, let’s get started. Question: Immortality! Aging is a degenerative fatal disease of the genes in the same way Parkinson’s is. We’re trying to cure Parkinson’s with g…

We are told that a van drives around a circular curve of radius r with linear speed v. On a second curve of the same radius, the van has linear speed one third v. You could view linear speed as the magnitude of your linear velocity. How does the magnitud…

I’m headed to the lost city of Chanchan, once the beating heart of the mighty Chimu Empire. Is that a pyramid? I think that’s a pyramid, a pyramid at Chanchan. Can I find answers inside the city walls as to why the children had to die? Built over a thousa…

So this is my first time back getting office in March, April, May, June, July, August—six months. Six months—like a lot of other places in the U.S. in the summer of 2020, our office was closed to help slow the spread of coronavirus. But in August, my prod…