Ecosystems
- 			 Ecosystems EcosystemsThe Buzz over CoffeeMost people consider the continued spread of Africanized honeybees in the Americas as horrifying news. Nicknamed killer bees, these notorious social insects rile into stinging mobs with little provocation. But new research finds evidence that these irritable insects have been performing a hitherto unrecognized service for people around the world. They’ve helped keep down the […] By Janet Raloff
- 			 Ecosystems EcosystemsPlight of the Iguanas: Hidden die-off followed Galápagos spillResidues of oil spilled in the Galapágos Islands in January 2001 may have caused a 60 percent decline in one island's colony of marine iguanas. By Susan Milius
- 			 Ecosystems EcosystemsFamine reveals incredible shrinking iguanasMarine iguanas in the Galápagos Islands are the first vertebrates known to reduce their size during a food shortage and then regrow to their original body lengths. By Susan Milius
- 			 Ecosystems EcosystemsDeprived of DarknessFrom anecdotal reports of little-studied phenomena, researchers suspect that artificial night lighting disrupts the physiology and behavior of nocturnal animals. By Ben Harder
- 			 Ecosystems EcosystemsClimate Upsets: Big model predicts many new neighborsThe biggest effects of climate change during the next 50 years may not be extinctions but major reshuffling of the species in local communities. By Susan Milius
- 			 Ecosystems EcosystemsAre They Really Extinct?A few optimists keep looking for species that might already have gone extinct. By Susan Milius
- 			 Ecosystems EcosystemsCryptic Invasion: Native reeds harbor aggressive alienA mild-mannered reed native to the United States is getting blamed for the mayhem caused by an evil twin. By Susan Milius
- 			 Ecosystems EcosystemsBiodiversity Hot Spots: Top 10 sea locales make sobering listBiologists have identified the world's most vulnerable coral reefs, each with organisms found nowhere else and threatened by human influence. 
- 			 Ecosystems EcosystemsGenetic lynx: North American lynx make one huge familyA new study of lynx in North America suggests the animals interbreed widely, sometimes with populations thousands of kilometers away. 
- 			 Ecosystems EcosystemsTadpole Science Gets Its Legs . . .The amazingly complex tadpole now shines in ecological studies. By Susan Milius
- 			 Ecosystems EcosystemsMistletoe, of all things, helps juniper treesA mistletoe that grows on junipers may do the trees a favor by attracting birds that spread the junipers' seeds. By Susan Milius
- 			 Ecosystems EcosystemsMove over, Leo. Give me more elbow roomThe average size of the largest land animals on each of 25 oceanic islands and five continents strongly depends on the land area there. By Sid Perkins