Safari Live - Day 337 | National Geographic

We’re asked to prove that if a line is parallel to one side of a triangle, then it divides the other two sides proportionately. So pause this video and see if you can do that, and you might want to leverage this diagram. Alright, so let’s work through th…

What you will get wrong is that you will not pay enough attention to users. You will make up some idea in your own head that you will call your vision, and then you will spend a lot of time thinking about your vision in a café by yourself. You will build …

Hey, it’s me D. Welcome back to Smarter Every Day! So, a couple of weeks ago, I asked a question here on Smarter Every Day in hopes that it would be beamed up to the space station so the astronauts could answer. Well, that happened! Why don’t we take the …

Ornithologists are helpful folk, and when they name a bird the sociable weaver, you can tell that it’s going to be a social creature and one that likes to weave large nests. Only the size of sparrows, these birds can build enormous nests, reaching 10 feet…

[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…

[Music] Too few can feel. I am the sea and the sea is me. Growing up in Catalonia in the 1970s, every Sunday I would sit in front of la caja tonta, the dumb box, watching my hero, Jack Cousteau. [Music] The exotic places, the daring underwater explorers, …