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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 -
Light Shed on Ancient Origin of Life
March 7, 2013 — Researchers discovered important genetic clues about the history of microorganisms called archaea and the origins of life itself in the first ever study of its kind. Results of their study shed light ... > 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 -
Ancient DNA Solves 320-Year-Old Mystery: Origins of Now Extinct Falkland Islands Wolf
March 5, 2013 — Researchers have found the answer to one of natural history's most intriguing puzzles -- the origins of the now extinct Falkland Islands wolf and how it came to be the only land-based mammal on the ... > full story -
How Did Early Primordial Cells Evolve?
February 28, 2013 — New research on bacteria examines how primordial cells could have evolved without protein machinery or cell walls. While the vast majority of bacteria have cell walls, many bacteria can switch to a ... > 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 -
Homeric Epics Were Written in 762 BCE, Give or Take, New Study Suggests
February 27, 2013 — One of literature's oldest mysteries is a step closer to being solved. A new study dates Homer's The Iliad to 762 BCE and adds a quantitative means of testing ideas about history by analyzing the ... > 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 -
Molecules Assemble in Water, Hint at Origins of Life
February 20, 2013 — Researchers are exploring an alternate theory for the origin of RNA: they think the RNA bases may have evolved from a pair of molecules distinct from the bases we have today. This theory looks ... > full story -
Mutant Champions Save Imperiled Species from Almost-Certain Extinction
February 19, 2013 — Species facing widespread and rapid environmental changes can sometimes evolve quickly enough to dodge the extinction bullet. Scientists consider the genetic underpinnings of such an "evolutionary ... > full story
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