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Ecologists Say Metabolism Accounts For Why Natural Selection Favors Only Some Species
November 5, 2008 — Why are some species of plants and animals favored by natural selection? And why does natural selection not favor other species similarly? According to a new study, the answer lies in the rate of ... > full story -
Last Of His Kind? Researchers Complete Mitochondrial Genome Of Ancient Mummy, The Tyrolean Iceman
November 1, 2008 — Researchers have revealed the complete mitochondrial genome of one of the world's most celebrated mummies, known as the Tyrolean Iceman or Ötzi. The sequence represents the oldest complete DNA ... > full story -
Extinct Sabertooth Cats Were Social, Found Strength In Numbers, Study Shows
October 31, 2008 — The sabertooth cat, one of the most iconic extinct mammal species, was likely to be a social animal, living and hunting like lions today, according to new scientific research. The species is famous ... > full story -
'Living Fossil' Tree Contains Genetic Imprints Of Rain Forests Under Climate Change
October 31, 2008 — A "living fossil" tree species is helping a researcher understand how tropical forests responded to past climate change and how they may react to global warming in the ... > full story -
Predicting Evolution’s Next Best Move With Simulator
October 31, 2008 — Biologists today are doing what Darwin thought impossible. They are studying the process of evolution not through fossils but directly, as it is happening. Now, by modeling the steps evolution takes ... > full story -
New Cell Division Mechanism Discovered
October 29, 2008 — A novel cell division mechanism has been discovered in a microorganism that thrives in hot acid. The finding may also result in insights into key processes in human cells, and in a better ... > full story -
Role Of Slave Trade In Evolution Of American Wild Rice Species
October 28, 2008 — Rice is the world’s foremost cereal crop as a human food source. Today’s cultivated varieties derive from the species Oryza sativa and Oryza glaberrina, domesticated respectively in Asia ... > full story -
Out Of Mesopotamia: Evolutionary History Of Tuberculosis
October 22, 2008 — The evolutionary timing and spread of the Mycobacterium tuberculosis complex (MTBC), one of the most successful groups of bacterial pathogens, remains largely unknown. Using mycobacterial tandem ... > full story -
New Fossil Reveals Primates Lingered In Texas
October 20, 2008 — More than 40 million years ago, primates preferred Texas to northern climates that were significantly cooling, according to new fossil ... > full story -
Genetic-based Human Diseases Are An Ancient Evolutionary Legacy, Research Suggests
October 19, 2008 — Evolutionary geneticists reveal that disease genes emerged very early in evolutionary history. They have systematically analyzed the time of emergence for a large number of genes -- genes which can ... > full story -
Scientists Propose Creation Of New Type Of Seed Bank
October 16, 2008 — While an international seed bank in a Norwegian island has been gathering news about its agricultural collection, a group of US scientists has just published an article outlining a different kind of ... > full story -
Brain Structure Provides Key To Unraveling Function Of Bizarre Dinosaur Crests
October 16, 2008 — Paleontologists have long debated the function of the strange, bony crests on the heads of the duck-billed dinosaurs known as lambeosaurs. The structures contain incredibly long, convoluted nasal ... > full story
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