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Mysterious Snippets Of DNA Withstand Eons Of Evolution
Small stretches of seemingly
useless DNA harbor a big
secret, say researchers at
the Stanford University
School of Medicine. There's
one problem: We don't know
... > full story
Gene Expression In Alligators Suggests Birds Have 'Thumbs'
The latest breakthrough in a
120 year-old debate on the
evolution of the bird wing
was just published. Bird
wings only have three
fingers, having evolved from
... > full story
Short RNAs Show A Long History: MicroRNAs Found In Animals That Appeared A Billion Years Ago
MicroRNAs, the tiny
molecules that fine-tune
gene expression, were first
discovered in 1993. But it
turns out they've been
... > full story
Primordial Fish Had Rudimentary Fingers
Tetrapods, the first
four-legged land animals,
are regarded as the first
organisms that had fingers
and toes. Now researchers
can show that this is wrong.
Using medical x-rays, they
... > full story
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New Life Found In Ancient Tombs
October 1, 2008 — Life has been discovered in the barren depths of Rome's ancient tombs, proving catacombs are not just a resting place for the dead. The two new species of bacteria found growing on the walls of the ... > full story -
'Redesigned Hammer' That Forged Evolution Of Pregnancy In Mammals Found
September 23, 2008 — Researchers have shown that the origin and evolution of the placenta and uterus in mammals is associated with evolutionary changes in a single regulatory protein, according to new ... > full story -
Emergence Of Agriculture In Prehistory Took Much Longer, Genetic Evidence Suggests
September 20, 2008 — Researchers have found evidence that genetics supports the idea that the emergence of agriculture in prehistory took much longer than originally ... > full story -
New Ant Species Discovered In The Amazon Likely Represents Oldest Living Lineage Of Ants
September 16, 2008 — A new species of blind, subterranean, predatory ant discovered in the Amazon rainforest is likely a descendant of the very first ants to ... > full story -
Computational Biochemist Uncovers A Molecular Clue To Evolution
September 13, 2008 — A Florida State University researcher who uses high-powered computers to map the workings of proteins has uncovered a mechanism that gives scientists a better understanding of how evolution occurs at ... > full story -
Trichoplax Genome Sequenced: 'Rosetta Stone' For Understanding Evolution
September 8, 2008 — Molecular and evolutionary biologists have produced the full genome sequence of Trichoplax, one of nature's most primitive multicellular organisms, providing a new insight into the evolution of all ... > full story -
Long-held Assumptions Of Flightless Bird Evolution Challenged By New Research
September 7, 2008 — Large flightless birds of the southern continents -- African ostriches, Australian emus and cassowaries, South American rheas and the New Zealand kiwi -- do not share a common flightless ancestor as ... > full story -
Old Before Their Time? Aging Rate In Flies Twice As Fast In Wild Than In Laboratory
September 6, 2008 — Conventional wisdom suggests that stress accelerates aging -- but is it really true? Evolutionary studies of aging use short-lived animals under laboratory conditions -- constant temperature and ... > full story -
DNA Shows That Last Woolly Mammoths Had North American Roots
September 5, 2008 — In a surprising reversal of conventional wisdom, a DNA-based study has revealed that the last of the woolly mammoths--which lived between 40,000 and 4,000 years ago--had roots that were exclusively ... > full story -
Molecular Evolution Is Echoed In Bat Ears
September 4, 2008 — Echolocation may have evolved more than once in bats, according to new research from the University of ... > full story
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