Altered behavior in caterpillars carrying wasp eggs, preliminary thoughts on the 2010 election results, monitoring climate change from Mount Everest to Baffin Bay, insight into drug-resistant bacteria mutations and origins of the Black Death. Here is the latest in ecological science for the first week in November.
Imagine a small town where everything is uniform—a tiny community of individuals who eat the same meals and pair up with people with similar qualities and traits. The scenery is stripped down: one church, one pub and cookie-cutter houses. Now add in social interactions. Greetings occur but they have few variations; life is routine. And just a few miles over in a town with the same layout, similar individuals are interacting, eating and greeting, in all the same ways.
Picture this: a luscious green mountain range littered off and on with flowers of every type. Lower in the mountains is green vegetation, higher up are grasslands. Eucomis, or pineapple lilies, have a striking, colorful appearance and grow at varying altitudes along the mountainside. But there tends to be one surpising difference: Two species of the higher altitude pineapple lilies have, not the delicate scent of coconut as do some of the other species, but the much more alarming scent of carrion.