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Walk Tall, but Please Tread Softly, SpaceX

A Falcon 9 launches the Dragon spacecraft - which orbited and then reentered the atmosphere to splashdown in the Pacific in December 2010 (SpaceX/Chris Thompson) We live in interesting times...

February 13, 2012 — Caleb A. Scharf

There Will Be Blood: Follow Up to Skeptically Speaking Podcast

 As many of you have already heard, I was a guest on Skeptically Speaking a few weeks ago, on the topic of why women menstruate. PZ Myers tackled the evolutionary perspective first, and then I got to answer audience questions and talk a little about my own research.Because I think it’s important for listeners and readers to see where the evidence came from to support my claims, I am sharing references (and in several cases, past posts of mine that themselves contain references)...

February 13, 2012 — Kate Clancy

Musings on size: do bacteria want to be bigger?

We all know that eukaryotes are bigger than prokaryotes. On average. Mostly. Of course our pathetic attempts at generalisation are too often devastated in a counterattack by nature's awesomest power: variation...

February 13, 2012 — Psi Wavefunction

Chimpanzees Help, But Only When Asked

Chimpanzees have a bad reputation. Maybe it's because humans have a thing about wanting to feel unique among primates. Some have argued that humans are the only species that truly behaves altruistically, the only species that actively helps out other individuals even when there is no direct benefit...

February 13, 2012 — Jason G. Goldman

Darwin's Degenerates - Evolution's Finest | Observations

153 years ago on November 24th a naturalist named Charles Darwin published a book with a rather long and cumbersome title. It was called On the Origin of Species by Means of Natural Selection, or the Preservation of Favoured Races in the Struggle for Life (for its sixth edition in 1872, the title was cut short to simply The Origin of Species , which was found to be much more manageable to say in conversation)...

February 12, 2012 — Christie Wilcox

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