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Genetic Study of House Dust Mites Demonstrates Reversible Evolution
March 8, 2013 In evolutionary biology, Dollo's law states that evolution is unidirectional and irreversible. But this "law" is not universally accepted and is the topic of heated debate among biologists. Now a ... > full story -
Scientists Catch Evolving Germs and Cancer Cells Early
March 7, 2013 Scientists have developed a novel technique to precisely monitor and study the evolution of micro-organisms such as viruses and bacteria. This is an extremely important capability as it allows ... > full story -
Human Y Chromosome Much Older Than Previously Thought
March 5, 2013 The discovery and analysis of an extremely rare African American Y chromosome push back the time of the most recent common ancestor for the Y chromosome lineage tree to 338,000 years ago. This time ... > full story -
How Cells Optimize the Functioning of Their Power Plants
March 5, 2013 Mitochondria, which are probably derived from distant bacterial ancestors incorporated into our cells, have their own DNA. However, we know little about how these organelles, which convert oxygen and ... > full story -
Shadows Over Data Sharing
March 5, 2013 Experience gained from data sharing during the human genome sequencing project could apply to the broader research community. Experts look at the history of the debates surrounding data access during ... > full story -
Sea Lamprey Genome Mapped
February 28, 2013 Beginning in 2004, a group of scientists from around the globe set out to map the genome of the sea lamprey. The secrets of how this jawless vertebrate separated from the jawed vertebrates early in ... > full story -
Louse Genetics Offer Clues on Human Migrations
February 27, 2013 A new genetic analysis of human lice from across the world sheds light on the global spread of these parasites, their potential for disease transmission and insecticide ... > full story -
Evolution and the Ice Age
February 26, 2013 Scientists are discovering how the evolution of ecosystems has to be taken into account when speculating between different geological eras. Go back to the time of the dinosaurs or to the ... > full story -
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Pregnant Mother's Blood Pressure May Affect Future Health of Children
February 25, 2013 Up to 10 percent of all women experience some form of elevated blood pressure during pregnancy. Researchers now show that mild maternal hypertension early in pregnancy actually benefits the fetus, ... > full story -
Has Evolution Given Humans Unique Brain Structures?
February 22, 2013 Humans have at least two functional networks in their cerebral cortex not found in rhesus monkeys. This means that new brain networks were likely added in the course of evolution from primate ... > full story
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