Safari Live - Day 337 | National Geographic

Positioning rocks to make the perfect cover, the trap is set. Well-earned brain food. The island octopus has thought up, tested, and executed a killer hunting technique. Six months old, entirely self-taught, and already an accomplished strategist, as she…

We’ve got a waypoint for the position of the ship. We’ll probably go out of visual range, but we’ll stay in radio contact and just kind of check in wherever we see anything or as we pass by landmarks. You need to have a reference point to be able to say w…

[Voiceover] What I want to do in this video is go over some techniques for doing mental addition. Now, if I saw something like 355 plus 480, if you have some paper around, you could write these numbers down and do your traditional addition, but you might …

Collision theory can be related to Maxwell-Boltzmann distributions. First, we’ll start with collision theory. Collision theory says that particles must collide in the proper orientation and with enough kinetic energy to overcome the activation energy barr…

Why doesn’t our periodic table go on forever? Why don’t we have, for example, elements with 300 protons? So, say, a TH000 protons. Well, the short answer is because the heavier the elements, the more unstable they become. For example, elements about atomi…

We’re told that a conservationist has the hypothesis that when squirrels are more crowded together, they have higher rates of aggression. The table below shows the area of three parks and the number of squirrels in each; that’s given right over here. Orde…