TOP 100 CAMPING SITES
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| Do Rainforests Create Rain? [The following is an exact transcript of this podcast.]Rainforests exist because it rains a lot and that makes the forests grow, right? Well, not so fast. What if it’s not the rain that makes the forests--what if it’s the forests that actually generate the rain? That’s the contention of a paper in BioScience Magazine called How Forests Attract Rain. [More] rss.sciam.com |
Stable ancient atmosphere underscores current greenhouse spike Despite vast changes in climate since the early Pleistocene, 2.1 million years ago, carbon dioxide levels have stayed pretty stable until lately, according to a study published online today in Science. [More] rss.sciam.com |
Croc Unlocked: A Gene Map for the Fashion Industry Sally Isberg has a special place in her heart for a 15-foot reptile that can tear a person limb from limb.As the chief scientist at Australia's largest saltwater crocodile farm, the geneticist can gaze out the window at pens full of saltwater crocs that will one day be turned into designer handbags. This week, Isberg and her collaborators published a genetic linkage map of this type of crocodile, Crocodylus porosus, the first such map for a reptile and an important milestone in a genetically guided breeding program that promises to improve the handbag business. [More] rss.sciam.com |
Recommended: The Philosophical Baby The Philosophical Baby: What Children’s Minds Tell Us about Truth, Love, and the Meaning of Life by Alison Gopnik. Farrar, Straus and Giroux, 2009 [More] rss.sciam.com |
Can Climate Change Cause Conflict? Recent History Suggests So Some experts call the genocide in Darfur the world's first conflict caused by climate change. After all, the crisis was sparked, at least in part, by a decline in rainfall over the past 30 years just as the region's population doubled, pitting wandering pastoralists against settled farmers for newly scarce resources, such as arable land. [More] rss.sciam.com |