Safari Live - Day 42 | National Geographic

(sighs) Jesus. We came behind the stadium where the elephants perform, and we found this juvenile elephant. He had gaping red wounds at his temple. He also has a broken leg. The other one is chained up. He looks totally emaciated. Skin and bones. And this…

Let’s do some example questions dealing with ratios. So we’re told the table shows the number of people waiting in line for different rides at an amusement park. So, 15 people are waiting in line for the roller coaster, four people for the slingshot, 12 …

Our planet has a violent soul, majestic and often destructive. Volcanic explosions rattle our collective imagination: Krakatoa, Mount St. Helens, Etna. Yet, lay your eyes on the images; they simultaneously strike fear and awe in our hearts. But how did t…

[Music] Let us consider a classic relativity scenario. Your friend gets on a rocket ship and blasts off towards Mars at nearly the speed of light. During this journey, his clocks tick slower, his lengths contract, and when he arrives at his destination, h…

This is a video about the most famous problem in game theory. Problems of this sort pop up everywhere, from nations locked in conflict to roommates doing the dishes. Even game shows have been based around this concept. Figuring out the best strategy can m…

The population of a town grows at a rate of ( r(t) = 300 e^{0.3t} ) people per year, where ( t ) is time in years. At time ( t = 2 ), the town’s population is 1200 people. What is the town’s population at ( t = 7 )? Which expression can we use to solve t…