Safari Live - Day 368 | National Geographic

Why is the ocean salty and rivers aren’t? In fact, most of the salt in the sea comes from rivers. But how can that be? It all starts with ocean water heading out on the journey. Warm surface water evaporates, the water vapor then rises to condense into cl…

It’s another beautiful day in Sydney. I’m out enjoying the sun and looking to find out if anyone knows why the sun shines? So the sun gives us a lot of… ? Heat? Sunshine? Provides energy? (yes) Heat energy. Where does the sun get that energy from? I…

Welcome to week four of my accommodator startup school! This is going to be a great session. We have Gary Tan, who is my good friend, former partner at Y Combinator, the founder of Posterous, the founder of Initialized Capital, which is what he’s doing no…

Talk about the ultimate breakup. Europe and Africa have been splitting apart from the American continents for millions of years at a rate of approximately 2.5 cm per year. The continents are moving about as fast as our fingernails grow. As they continue t…

I think the creative process is actually very similar whether it be math, science, music, or art. I’m more familiar with the dredging of the ether for a sentence or two, and I like it, but it is an act of sheer faith. It is an act of propulsion into some …

First investment primer that I know of, and it was pretty good advice, was delivered in about 600 BC by Aesop. And Aesop, you’ll remember, said a bird in the hand is worth two in the bush. Incidentally, Aesop did not know it was 600 BC; he was smart, but …