Evolution: He Who Grabs Too Much Loses All

Evolution: He Who Grabs Too Much Loses All

Polyploidy can result in both evolutionary dead-ends and successful evolutionary transitions. A pair of recent papers indicates that adapting meiosis is a necessary step on the way to becoming a successful polyploid.

Is it all too much?

I couldn’t help but notice the recent press reports of how the weather was going to be dealt with for the 2008 Beijing Olympics. Having picked the wettest month of the year to hold the Olympic Games, the Chinese have developed one of the world’s largest weather modification strategies. Weather patterns over Beijing in recent decades indicate a 50% chance of rain during the Games. Clearly, this ...

The man who knew too much.

Help for friends who drink too much

I have two friends who I think are drinking too much. I don't know what to do. They are very defensive should anyone say anything to them about their excessive habit, and a lot of our friends are giving up on them. This has become a daily thing and their schoolwork and friendships are all suffering. They are both 21; one recently broke up with his girlfriend of several years and the other has b...

Help for friends who drink too much

I have two friends who I think are drinking too much. I don't know what to do. They are very defensive should anyone say anything to them about their excessive habit, and a lot of our friends are giving up on them. This has become a daily thing and their schoolwork and friendships are all suffering. They are both 21; one recently broke up with his girlfriend of several years and the other has b...