Join Phil for a tour of our capital-M Moon, from surface features, inside to the core, and back in time to theories about its formation.

posted by Joe Motion (lurgee) 7 years 10 months 2 weeks ago • 218 views • 9:51

YouTube: You might think of national parks as a nice place to see a geyser, or a big ol’ canyon, but over the past 100 years, US national parks have produced some of the biggest, oldest, deepest, and... continue reading

posted by PlayhousePals 7 years 10 months 3 weeks ago • 217 views • 9:38

I like the idea that nature's gone all loosey goosey.

posted by eric3579 7 years 10 months 4 weeks ago • 634 views • 4:37

Why can we find geometric shapes in the night sky? How can we know that at least two people in London have exactly the same number of hairs on their head? And why can patterns be found in just about any... continue reading

posted by Mordhaus 7 years 11 months 2 weeks ago • 136 views • 4:36

Enhancing the smell profile

posted by PlayhousePals 8 years 1 month 2 weeks ago • 28 views • 4:32

To quote her own presentation: - Our fears about debt and deficits are driven by an outdated gold standard ideology - Money is not a finite "thing" - Deficits can be too big or too small - The goal... continue reading

posted by radx 8 years 2 months 2 weeks ago • 278 views • 1:18:38

"How exactly do homing pigeons find their way back to their lofts? A couple of bird enthusiasts share their theories..." From http://www.reddit.com/r/pigeons/comments/3jj361/how_do_homing_pigeons_get_home_bbc/... continue reading

posted by ant 8 years 3 months 3 weeks ago • 85 views • 2:26

IFLScience: Still baffled by Einstein’s theory of relativity, or even the parts in the movie Interstellar when everyone experiences time differently? Well, this teenager’s explanation of special relativity... continue reading

posted by Zawash 8 years 5 months 2 weeks ago • 1,541 views • 7:34

You can't, even in theory, list all numbers. That doesn't stop Vi Hart from trying and seeing what the mathematical consequences are.

posted by messenger 8 years 7 months 3 weeks ago • 694 views • 6:19

Cultivate random acquaintances.

posted by PlayhousePals 8 years 8 months 1 week ago • 369 views • 9:23

While they don't quite cause a Y2K-scale of disaster, leap seconds can cause some serious glitches. Here's why computers have trouble with something that should, in theory, be pretty simple.

posted by blacklotus90 8 years 10 months 1 week ago • 18 views • 3:09

Just like you can't distinguish between Homeopathy and Placebo, scientists find that Sarcasm and Conspiracy Theories may be indistinguishable. Transcript at http://skepchick.org/2015/05/no-shit-study-scientists-show-... continue reading

posted by Zawash 8 years 11 months 1 week ago • 7,224 views • 3:32

Say what? YouTube: How can just two rules of Einstein's 1905 theory of special relativity lead to seemingly paradoxical changes in the perception of time?

posted by PlayhousePals 9 years 1 month ago • 607 views • 5:46

"Apparently, your biggest enemy is not lions and tigers and bears ..." YouTube: What were the first organisms to have sex? We may never know the answer, but as Bill Nye explains in this Big Think interview,... continue reading

posted by PlayhousePals 9 years 1 month 1 week ago • 235 views • 3:58

Why are all the gas stations, cafes and restaurants in one crowded spot? As two competitive cousins vie for ice-cream-selling domination on one small beach, discover how game theory and the Nash Equilibrium... continue reading

posted by PlayhousePals 9 years 3 months ago • 885 views • 4:07

He's on to something here. I forgave the Sifters who were certain that I was a sock puppet. And boy howdy, I felt better. Full disclosure, a smidgen of valium was instrumental in helping me achieve nirvana... continue reading

posted by PlayhousePals 9 years 3 months 2 weeks ago • 163 views • 4:13

Greed is good. War is inevitable. Whether in political theory or popular culture, human nature is often portrayed as selfish and power hungry. UC Berkeley psychologist Dacher Keltner challenges this notion... continue reading

posted by enoch 9 years 4 months 1 week ago • 2,027 views • 4:37

A well presented piece about how we can and do benefit from an understanding of evolution.

posted by nanrod 9 years 10 months ago • 709 views • 9:53

For nearly all of human history, most people were very, very poor. But something happened after 1800. Average wages began to rise. For example, in the past 200 years, the average wage in the United States... continue reading

posted by Trancecoach 1 decade ago • 999 views • 3:19