Safari Live - Day 368 | National Geographic

One day the last star will die, and the universe will turn dark forever. It will probably be a red dwarf; a tiny kind of star. That’s also one of our best bets to find alien life, and might be the last home of humanity before the universe becomes uninhabi…

I was lucky enough to be born into a situation where the basic necessities of life—food, shelter, clothing, education—were freely available to me. Nothing I did; I just happened to get it. And then there’s a billion people on the planet—nothing they did, …

[Narrator] A solar eclipse happens when a new moon moves between the Earth and the sun, blocking some or all of the sun’s rays from reaching the Earth. By cosmic chance, even though the sun is 400 times wider than the moon, it’s also 400 times farther awa…

[music playing] [thud] [panting] [thud] [thud] [thud] Ah. [thud] [cracking] [branches crunching] Excellent work, [inaudible] Sal. Come with me. There are more that need to be pulled from the sky. This way. [birds singing] I might be of help if you tell me…

Metal air cells are a relatively new type of portable energy source consisting of a metal anode, an alkaline electrolyte paste that contains water, and a porous cathode membrane that lets in oxygen from the air. A schematic of the cell is shown above, and…

I mean, if somebody shows us a business, you know, the first thing that goes through our head is: would we rather own this business than more Coca-Cola? Would we rather own it than more Gillette? Now, it’s crazy not to compare it to things that you’re ver…