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'Lifeless' Prions Capable of Evolutionary Change and Adaptation
December 31, 2009 — Scientists have determined for the first time that prions, bits of infectious protein devoid of DNA or RNA that can cause fatal neurodegenerative disease, are capable of Darwinian ... > full story -
Evolution Caught in the Act: Scientists Measure How Quickly Genomes Change
December 31, 2009 — Mutations are the raw material of evolution. Scientists have now been able to measure for the first time directly the speed with which new mutations occur in plants. Their findings shed new light on ... > full story -
Using Modern Sequencing Techniques to Study Ancient Humans
December 31, 2009 — DNA that is left in the remains of long-dead plants, animals or humans allows a direct look into the history of ... > full story -
Australian Fossil Unlocks Secrets to the Origin of Whales
December 22, 2009 — A palaeobiologist has made groundbreaking discoveries into the origin of baleen whales, based on a 25-million-year-old fossil found near Torquay in Victoria, ... > full story -
Among Apes, Teeth Are Made for the Toughest Times
December 17, 2009 — The teeth of some apes are formed primarily to handle the most stressful times when food is scarce, according to new research. The findings imply that if humanity is serious about protecting its ... > full story -
Previously Unknown Gene Is Unique to Placental Mammals
December 14, 2009 — Researchers have discovered a previously unknown gene ZBED6 that is unique to placental mammals. The gene originates from a so called jumping gene that integrated in the genome of a primitive mammal ... > full story -
Certain Genes Boost Chances for Distributing Variety of Traits, Drive Evolution
December 14, 2009 — Genes that don't themselves directly affect the inherited characteristics of an organism but leave them increasingly open to variation may be a significant driving force of evolution, say ... > full story -
Introns -- Nonsense DNA -- May Be More Important to Evolution of Genomes Than Thought
December 10, 2009 — The sequences of nonsense DNA that interrupt genes could be far more important to the evolution of genomes than previously thought, according to researchers. Their study of the model organism Daphnia ... > full story -
DNA Sheds New Light on Horse Evolution
December 10, 2009 — Ancient DNA retrieved from extinct horse species from around the world has challenged one of the textbook examples of evolution -- the fossil record of the horse family Equidae over the past 55 ... > full story -
Charles Darwin: More Than the Origin
December 9, 2009 — Charles Darwin greatly contributed to many specific fields within biology. As the bicentennial anniversary of Darwin's birth comes to a close, two papers explores botanical history before the time of ... > full story
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