Ex-CIA Spy: China Is Preparing & We're Not Paying Attention! Here's What Happens If They Takeover!

Procrastination is a common habit, right? And many of us find ourselves struggling with this tendency to postpone what needs to be done, whether it’s a task from work, doing your laundry, that pan that needs to be washed, or a blanket you have to move fro…

This is a print showing San Francisco Harbor in 1848. There’s a little smattering of houses and a few boats in the water. It looks pretty peaceful, and it was. San Francisco only had about a thousand residents, and California had only newly become a U.S. …

Consider the closed curve in the xy plane given by this expression. Here, find the coordinates of the two points on the curve where the line tangent to the curve is vertical. So, pause this video and see if you could have a go at it. I don’t know what th…

[Music] M. If a male has a really good-looking mane, females go crazy over [Music]. Lions actually have to be in really good physical condition to produce that dark hair on the mane, and males that are not quite so healthy produce a blonder [Music] mane. …

To our next speaker, Sharon Schneider, who is the founder and CEO of Textio. Oh, so I actually started hearing about Textio last year from a number of YC alumni who used and loved Textio. They use Textio to analyze their job postings. So, Textio is used …

You look at a community that is in a given habitat. A natural question is to say, “Well, has that community always been that way? Has it always been there? Was there a time where maybe there was no life there?” And the answer is, well, yes, the communitie…