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Division of Labor Offers Insight Into the Evolution of Multicellular Life
August 7, 2012 Dividing tasks among different individuals is a more efficient way to get things done, whether you are an ant, a honeybee or a human. A new study suggests that this efficiency may also explain a key ... > full story -
Paddlefish's Doubled Genome May Question Theories on Limb Evolution
August 7, 2012 The American paddlefish -- known for its bizarre, protruding snout and eggs harvested for caviar -- duplicated its entire genome about 42 million years ago, according to a new study. This finding may ... > full story -
Researchers Peek at the Early Evolution of Sex Chromosomes
August 6, 2012 Two new studies offer insight into sex chromosome evolution by focusing on papaya, a multimillion dollar crop plant with a sexual problem (as far as growers are concerned) and a complicated ... > full story -
Research Into Oaks Helps Us Understand Climate Change
August 2, 2012 Biologists are tracking the evolution of the live oaks of eastern North America, seeking to understand how the trees adapted to climate change during glacial ... > full story -
Biological Mechanism for Growing Massive Animal Weapons, Ornaments Discovered
July 26, 2012 In the animal kingdom, huge weapons such as elk antlers or ornaments like peacock feathers are sexy. Their extreme size attracts potential mates and warns away lesser rivals. Now scientists have ... > full storyMore: -
Genomic Study of Africa's Hunter-Gatherers Elucidates Human Variation and Ancient Interbreeding
July 26, 2012 Geneticists have analyzed the fully sequenced genomes of 15 Africans belonging to three different hunter-gatherer groups and decipher some of what these genetic codes have to say about human ... > full storyMore: -
Actinobacteria as the Base of the Evolutionary Tree
July 26, 2012 Using comparisons of protein structure, researchers identified Actinobacteria as the base of the evolutionary ... > full story -
Native American Populations Descend from Three Key Migrations, Scientists Say
July 11, 2012 Scientists have found that Native American populations -- from Canada to the southern tip of Chile -- arose from at least three migrations, with the majority descended entirely from a single group of ... > full story -
Giving Ancient Life Another Chance to Evolve: Scientists Place 500-Million-Year-Old Gene in Modern Organism
July 11, 2012 Using a process called paleo-experimental evolution, researchers have resurrected a 500-million-year-old gene from bacteria and inserted it into modern-day Escherichia coli (E. coli) bacteria. This ... > full story -
What Makes Us Musical Animals
July 6, 2012 Researchers argue that at least two, seemingly trivial musical skills can be considered fundamental to the evolution of music: relative pitch – the skill to recognize a melody independent of ... > full story
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