Paleontology
- 			 Paleontology PaleontologyThe Last Lost WorldIce Ages, Human Origins, and the Invention of the Pleistocene, by Lydia V. Pyne and Stephen J. Pyne. By Sid Perkins
- 			 Paleontology PaleontologyNot your typical pterosaurA beautifully preserved fossil from Germany displays a wing unlike any ever seen. By Janet Raloff
- 			 Paleontology PaleontologyT. rex has another fine, feathered cousinA trio of fossils from China may tip the scales on dinosaurs’ public image. 
- 			 Paleontology PaleontologyTriceratops reigns alone againFossil comparison fends off a challenge that holds the dinosaur is but the immature version of the Torosaurus. By Devin Powell
- 			 Paleontology PaleontologyEarly animals dethronedCell division patterns in controversial Chinese fossils place them outside the animal kingdom. 
- 			 Paleontology PaleontologyDNA suggests North American mammoth species interbredSupposedly separate types may really have been one. By Susan Milius
- 			 Paleontology PaleontologyTooth stranger than fictionA mammal fossil unearthed in South America resembles ‘Ice Age’ saber-toothed squirrel. 
- 			 Paleontology PaleontologyOxygen blew up ancient amoebasSingle-celled creatures' size spiked as oxygen levels rose. By Devin Powell
- 			 Paleontology PaleontologyAcidifying oceans helped fuel mass extinctionThe great die-off 250 million years ago could trace in part to hostile water conditions, a modeling study suggests. 
- 			 Paleontology PaleontologySea monsters made great mothersFossilized plesiosaur with fetus suggests ancient reptiles cared for their young. By Nadia Drake
- 			 Paleontology PaleontologyDinosaurs died of ricketsAfter more than 80 years, a theory that too little vitamin D led to the demise of the dinos still awaits a shred of evidence. By Science News
- 			 Paleontology PaleontologyBig dinosaurs kept their coolBody temperature of long-gone beasts resembled that of mammals, study of fossil teeth suggests.