Safari Live - Day 121 | National Geographic
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View AllHandheld TESLA COIL GUN at 28,000fps - Smarter Every Day 162
Hey, it’s me Destin, welcome back to Smarter Every Day. There’s only a few times in your life when you look at something and you’re like: “You know, this can’t be a thing,” But it is a thing! This video is just like that. We’re going to look at an inventi…
Addition and subtraction with number lines | 2nd grade | Khan Academy
[Voiceover] Which number line shows 47 plus 22? Let’s see, in this first number line we’re starting at 47, then we add 20 to get to 67. And then we add two to get to 69.
So if you add 20, and then you’re adding two, you’re adding 22. So this one seems r…
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This video will review the available content on Khan Academy and discuss how our courses are designed to help students master the content they’re learning. When learners interact with Khan Academy, they will experience videos, articles, practice questions…
Gaining the Trust of the Gorillas | Dian Fossey: Secrets in the Mist
KELLY STEWART: Dian Fossey was definitely a pioneer. I do not think that word has been overused. Before that, nobody had done a long-term study of gorillas. Nobody had studied them month after month and year after year.
IAN REDMOND: She wanted to be the …
TIL: Hummingbirds Are the World's Hungriest Birds | Today I Learned
If you were to use energy as quickly as a hummingbird, you’d have to eat a fridge full of food or about 300 hamburgers every day in order to survive. They use energy so quickly as they fly, so, so fast. A lot of the flowers they feed on are really delicat…
Measuring segments
What is BD? So, when they’re just saying BD, they’re saying literally the length of segment BD.
So they’re saying the length from point B to point D. B is sitting here at negative two, D here is at five. So, you’re looking at really the distance between …