Barns Are Painted Red Because of the Physics of Dying Stars
FROM THE SMITHSONIAN Have you ever noticed that almost every barn you have ever seen is red? There's a reason for that, and it has to do with the chemistry…
Wasn’t Obama’s Racism Speech One of Those “Conversations” Republicans Keep Saying We Need to Have?
http://youtu.be/xD-miJ2HtNY Republicans are always pushing for national "conversations" about tough subjects like gun control and racism. And with good reason: it's a successful bait-and-switch strategy to keep them from ever…