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Toxic Oceans May Have Delayed Spread of Complex Life
February 28, 2013 — A new model suggests that inhospitable hydrodgen-sulfide rich waters could have delayed the spread of complex life forms in ancient oceans. The research considers the composition of the oceans ... > full story -
Feeding Limbs and Nervous System of One of Earth's Earliest Animals Discovered
February 27, 2013 — Unique fossils literally 'lift the lid' on ancient creature's head to expose one of the earliest examples of food manipulating limbs in evolutionary history, dating from around 530 million years ... > full story -
Resurrection of 3-Billion-Year-Old Antibiotic-Resistance Proteins
February 27, 2013 — Scientists are reporting "laboratory resurrections" of several 2-3-billion-year-old proteins that are ancient ancestors of the enzymes that enable today's antibiotic-resistant bacteria to shrug off ... > 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 -
Ancient 'Egyptian Blue' Pigment Points to New Telecommunications, Security Ink Technology
February 20, 2013 — A bright blue pigment used 5,000 years ago is giving modern scientists clues toward the development of new nanomaterials with potential uses in state-of-the-art medical imaging devices, remote ... > full story -
Ancient Fossilized Sea Creatures Yield Oldest Biomolecules Isolated Directly from a Fossil
February 18, 2013 — Though scientists have long believed that complex organic molecules couldn’t survive fossilization, some 350-million-year-old remains of aquatic sea creatures uncovered in Ohio, Indiana, and ... > full story -
Ancient Teeth Bacteria Record Disease Evolution
February 17, 2013 — DNA preserved in calcified bacteria on the teeth of ancient human skeletons has shed light on the health consequences of the evolving diet and behavior from the Stone Age to the modern ... > full story -
Humans and Chimps Share Genetic Strategy in Battle Against Pathogens
February 14, 2013 — A search for long-lived balancing selection has found at least six regions of the genome where humans and chimpanzees share a combination of genetic variants. These human genetic variation dates back ... > full story -
Studies Reveal Genetic Variation Driving Human Evolution
February 14, 2013 — A pair of studies sheds new light on genetic variation that may have played a key role in human evolution. The study researchers used an animal model to study a gene variant that could have helped ... > full story
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