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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 -
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 -
New Substances 15,000 Times More Effective in Destroying Chemical Warfare Agents
August 8, 2012 — In an advance that could be used in masks to protect against nerve gas, scientists are reporting development of proteins that are up to 15,000 times more effective than their natural counterpart in ... > full story
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