Mark Zuckerberg on Taking Risks and Finding Talented People
And just to make this point, how far into Facebook did it actually become a company? Um, I don’t know. I think probably it
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View AllAllopatric and sympatric speciation | Biology | Khan Academy
[Voiceover] In any discussion of biology or discussion of evolution, the idea of a species will come up over and over again. And we have a whole separate video on species. But the general idea, or the mainstream definition of a species, is a group of orga…
Understanding lease agreements | Housing | Financial Literacy | Khan Academy
What we’re going to do in this video is look at an example of a lease agreement. This one says “State of Texas Texas Lease Agreement”. You might say, “I don’t live in Texas,” but this is going to be useful for most anywhere. The things we’re going to cove…
The Geek Shall Inherit the Earth | StarTalk
My kids knew him way more at a given age than I ever even imagined. I have noticed it; also, my kid is smarter than me, and it really pisses me off. I thought I mentioned that, but it’s just something you have to live with. Uh, and I think it has to do wi…
Pluto 101 | National Geographic
[Instructor] At the edge of the solar system, Pluto pushes the boundaries of our understanding of the universe. Nestled within the far-flung Kuiper belt, the dwarf planet is believed to be one of the countless celestial objects left over from the formatio…
The Past and Future of YC Bio
Uh, all right, so now Serbia and I are going to talk a bit about the past and future of YC bio. We have a clicker. Cool, look at that! So, those of you who’ve had me as their group partner know that I like to cut to the chase and talk about the elephant i…
Gavin Grimm's Story | Gender Revolution
[Music] Ground Zero in the fight over transgender bathrooms is this quiet town in Southern Virginia. The unlikely face at the center of it all: Gavin Grim.
“When you realize you were trans, you actually went to the doctor?”
“I went to a gender therapist…