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Bird Louse Study Shows How Evolution Sometimes Repeats Itself
August 16, 2012 — Birds of a feather flock together and -- according to a new analysis -- so do their lice. A study of the genetic heritage of avian feather lice indicates that their louse ancestors first colonized a ... > full story -
A GPS in Your DNA
August 16, 2012 — Scientists have devised a method for more precisely determining the geographical location of a person's ancestral origins based on a model of genetic traits for every coordinate on the globe. He says ... > full story -
Remaking History: A New Take on How Evolution Has Shaped Modern Europeans
August 14, 2012 — Investigators say that new analytical techniques are changing long-held, simplistic views about the evolutionary history of humans in Europe. Their findings indicate that many cultural, climatic, and ... > full story -
Research Raises Doubts About Whether Modern Humans and Neanderthals Interbred
August 13, 2012 — New research raises questions about the theory that modern humans and Neanderthals at some point interbred, known as hybridization. The findings suggest that common ancestry, not hybridization, ... > full story -
Why Do Organisms Build Tissues They Seemingly Never Use?
August 10, 2012 — Why, after millions of years of evolution, do organisms build structures that seemingly serve no purpose? A new study investigates the evolutionary reasons why organisms go through developmental ... > full story -
Searching Salt for Answers About Life on Earth, Mars
August 9, 2012 — Researchers have discovered that not only is there evidence of liquid water on Mars, but the planet is also rich with magnesium sulfate. One of the questions researchers are seeking to answer is ... > full story -
Shark Teeth Help Scientists Uncover Predator's History
August 8, 2012 — Biologists are studying living great whites and other sharks – as well as fossilized shark teeth – to gain insight into shark behavior and ancestry using the latest in computed tomography ... > full story -
Physics and Math Shed New Light on Biology by Mapping the Landscape of Evolution
August 8, 2012 — Researchers capture evolutionary dynamics in a new theoretical framework that could help explain some of the mysteries of how and why species change over ... > full story -
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
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