Safari Live - Day 337 | National Geographic

[background noises] [music playing] [printer printing] [music playing] Some people gave a tip to Public Citizen, a Washington D.C.-based non-profit organization, about what appeared to be some shady water deals going on in Central Valley of California. T…

We’re given a differential equation right over here: cosine of y + 2, this whole thing times the derivative of y with respect to x is equal to 2x. We’re given that for a particular solution, when x is equal to 1, y of 1 is equal to zero. We’re asked, what…

[Music] As a nature writer, I’ve always intuitively known that it was healthy for human beings to be out in the natural world. But it’s amazing what science has proven about what nature does to your brain. Some of the scientists I’ve been talking to would…

So we are asked to order the expressions from least to greatest. This is from the exercises on Khan Academy. If we’re doing it on Khan Academy, we would drag these little tiles around from least to greatest, least on the left, greatest on the right. I can…

When we look out into the cosmos for alien life, many folks look for signs of water on moons or planets. That’s because life, as we know it, is dependent on water. To understand that, we just have to take a closer look at some of the properties of water. …

I’m Mariana Vanel, as a journalist covering the underworld. I’ve seen almost everything that can be trafficked, but apes was a really sad and difficult story to report on. Wildlife trafficking is the fourth most lucrative crime in the world; we are talkin…