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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 -
Old Skull Bone Rediscovered in Mammals
August 14, 2012 — Although clearly discernible in the embryo, shortly afterwards it fuses with other bones beyond recognition. Consequently, researchers have often missed it. Now, however, paleontologists have ... > 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 -
Study of Fruit Fly Chromosomes Improves Understanding of Evolution and Fertility
August 10, 2012 — New research explores the evolution of sperm structure and function, through an analysis of Drosophila genes and gene products. The research has important implications for the study of human ... > 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 -
'Selfish' DNA in Animal Mitochondria Offers Possible Tool to Study Aging
August 10, 2012 — Researchers have discovered, for the first time in any animal species, a type of "selfish" mitochondrial DNA that is actually hurting the organism and lessening its chance to survive – and ... > full story -
Populations Survive Despite Many Deleterious Mutations: Evolutionary Model of Muller's Ratchet Explored
August 10, 2012 — From protozoans to mammals, evolution has created more and more complex structures and better-adapted organisms. This is all the more astonishing as most genetic mutations are deleterious. Especially ... > full story -
Drivers of Marine Biodiversity: Tiny, Freeloading Clams Find the Key to Evolutionary Success
August 9, 2012 — What mechanisms control the generation and maintenance of biological diversity on the planet? It’s a central question in evolutionary biology. For land-dwelling organisms such as insects and ... > 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 -
New Kenyan Fossils Shed Light on Early Human Evolution
August 8, 2012 — Exciting new fossils discovered east of Lake Turkana confirm that there were two additional species of our genus -- Homo -- living alongside our direct human ancestral species, Homo erectus, almost ... > full story
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