Safari Live - Day 337 | National Geographic

Hello, Internet. A lot of you sent me this image making the rounds which concerns the Mayan prediction that the world will end on December 21, 2012. The claim is that the Mayan calendar short counted the years because they forgot about leap days, so the w…

What we’re going to do in this video is talk about different population growth strategies for different species and think about if we can come up with a broad categorization or if there’s a broad categorization already out there for us. We see that there…

[Music] The traffic was okay. All right, we’re rolling there. Okay, I’m gonna get my merch going here. You know, slow is the commercial horse, everything. Exactly. All right, what is your real second name? I call you Mindy caste. It’s just Minnie. My las…

Hi everyone, Sal here from Khan Academy. Welcome to the Homeroom live stream! Actually, I think this is the first of the year. Hopefully, everyone had a good New Year’s considering the circumstances and is enjoying 2021. Given the circumstances, we have a…

Let’s say we have some type of hard flat frictionless surface right over here. That’s my drawing of a hard flat frictionless surface. On that, I have a block, and that block is not accelerating in any direction; it is just sitting there. Let’s say we kno…

Hi everyone, Sal here from Khan Academy, and I just wanted to make an announcement of something that I think many of you will find useful. I have a little bit of a side project going on called schoolhouse.world. It isn’t an official Khan Academy project, …