Botanical Wednesday: When vegetarianism is an act of vengeance

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The Republicans, apparently feeling that there are no other pressing matters of concern in the governance of our country, are pushing to designate 2010 as the Year of the Bible. I may surprise you a little bit. I endorse this resolution…with a few caveats. I say the Democrats should vote this bill…
I'm still on vacation, but I've got just enough time to pop in with a quick link to a nice discussion about the link between heredity and IQ. While some have argued that as much of 75 percent of the variability in IQ is hereditary, more recent research suggests a more complex interaction. The key,…
Glenn Beck really is contemptible. Here's how he sees the murders in Norway: As the thing started to unfold, and then there was a shooting at a political camp, which sounds a little like, you know, the Hitler Youth or whatever — I mean, who does a camp for kids that's all about politics?…
Some people just have too much money and too much time on their hands. I mean, why on earth would you do this after purchasing an iPhone, the cheapest of which is $499? This is just sheer stupidity; it doesn't even show very well how the thing is put together because they basically just destroy…

Why have the prey animals not evolved to avoid these species? After all, it's not as though they can chase them. You'd think crude natural selection would induce avoidance behaviour in a pretty short time.