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Enzymes Allow DNA to Swap Information With Exotic Molecules
March 21, 2013 — Scientists have been hunting for a biological Rosetta Stone -- an enzyme allowing DNA's four-letter language to be written into a simpler (and potentially more ancient) molecule that may have existed ... > full story -
Why Red Algae Never Colonized Dry Land
March 20, 2013 — The first red alga genome has just been sequenced. The genome of Chondrus crispus, also known by the Breton name 'pioka', turns out to be small and compact for a multicellular organism. It has fewer ... > full story -
Adoption and Risk Management in Fish: How Cichlids Prevent Their Young from Being Eaten
March 19, 2013 — For a variety of reasons, many humans choose to adopt children. More surprisingly, adoption is fairly widespread in the animal kingdom, even though it would seem to counteract the basic premise ... > full story -
Skulls of Early Humans Carry Telltale Signs of Inbreeding
March 18, 2013 — Buried for 100,000 years at Xujiayao in the Nihewan Basin of northern China, the recovered skull pieces of an early human exhibit a now-rare congenital deformation that indicates inbreeding might ... > full story -
One Gene, Many Mutations: Key That Controls Coat Color in Mice Evolved Nine Times
March 14, 2013 — Scientists have shown that changes in coat color in mice are the result not of a single mutation, but many separate mutations, all within a single gene. The results start to answer one of the ... > full story -
DNA Study Clarifies How Polar Bears and Brown Bears Are Related
March 14, 2013 — A new genetic study of polar bears and brown bears upends prevailing ideas about the evolutionary history of the two ... > full storyMore: -
Strange Spaghetti-Shaped Creature Is Missing Link: Discovery Pushes Fossil Record Back 200 Million Years
March 13, 2013 — Canada's 505 million year-old Burgess Shale fossil beds, located in Yoho National Park, have yielded yet another major scientific discovery -- this time with the unearthing of a strange ... > full storyMore: -
Untangling Life's Origins
March 11, 2013 — Researchers have been using bioinformatics techniques to probe the world of proteins for answers to questions about the origins of ... > full story -
Genetic Study of House Dust Mites Demonstrates Reversible Evolution
March 8, 2013 — In evolutionary biology, Dollo's law states that evolution is unidirectional and irreversible. But this "law" is not universally accepted and is the topic of heated debate among biologists. Now a ... > full story -
Light Shed on Ancient Origin of Life
March 7, 2013 — Researchers discovered important genetic clues about the history of microorganisms called archaea and the origins of life itself in the first ever study of its kind. Results of their study shed light ... > full story
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