Safari Live - Day 42 | National Geographic

For years I struggled to find the perfect t-shirt, sadly without success. Then, over at Cortex Incorporated, where we mostly make premium paper productivity products, we pondered: can we also produce the perfect shirt? Something everyday casual, but that…

Hey grammarians, hey Paige, hi David. So today we’re going to talk about parentheses. So before we get into what parentheses do, I would like to talk very briefly about the word origin of parentheses, or parenthesis, because it comes from Greek. So “para”…

What’s up you guys, it’s Graham here! So, the other week I posted a video about how much money you should save by every age, and in that video, I go in detail about how much money you should be putting away every single year in order to make sure you’re o…

[Music] The following episode documents the use of psychedelic drugs, which are illegal in the United States and other countries. While valuable scientific data may be obtained in controlled studies, we do not advocate the use of these substances. [Music…

All right, this problem is a classic. You’re going to see this in basically every single physics textbook. The problem is this: if you’ve got two masses tied together by a rope and that rope passes over a pulley, what’s the acceleration of the masses? In …

Hi everyone! Nice to meet you. My name is Danielle Sullivan, and I’m so excited to be the facilitator of this excellent math conversation today with my amazing colleagues. Today, we want to talk about math instruction, how it’s changed and shifted since t…