The new source of lithium, which could meet up to 40% of U.S. demand, was discovered in fracking wastewater.

Thanks to Keeps for sponsoring this video & for the free product! Head to http://keeps.com/eventhorizonshow to get a special offer. Individual results may va…

Searles wager.

---

Shared with Dropbox.

In chaos theory, the butterfly effect is the sensitive dependence on initial conditions in which a small change in one state of a deterministic nonlinear system can result in large differences in a later state.

Watch more videos on complexity and emergence: https://shorturl.at/QLrfUEmergence is how the world works differently at various levels or hierarchies of orga…

Nondestructive mind uploading and scan and copy.

---

Shared with Dropbox.

Earphones may be convenient, but convenience doesn’t come without a cost.

It’s called the magnetotail, of course.

Be sure to look at the night sky on June 3rd to see a somewhat rare event called a large ‘planetary parade.’

Two anecdotes and charts: Women’s and men’s college graduation rates.

---

Anecdote:

I gave an extra-credit assignment in one of my courses. The course had twenty students, eleven men and nine women. Six students chose to do the assignment — and then I noticed something in my grade book: all of them were women. Getting all statistic-y about it: 66.7% of the females were willing to do the extra work, while 0% if the men were.

Anecdotal, but fascinating.