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Molecular Path from Internal Clock to Cells Controlling Rest and Activity Revealed
The molecular pathway that
carries time-of-day signals
from the body's internal
clock to ultimately guide
daily behavior is like a
... > full story
Scientists Develop Biological Computer to Encrypt and Decipher Images
Scientists have developed a
"biological computer" made
entirely from biomolecules
that is capable of
deciphering images encrypted
... > full story
Entire Genome of Extinct Human Decoded from Fossil
Scientists have completed
the genome sequence of a
Denisovan, a representative
of an Asian group of extinct
humans related to
Neanderthals. ... > full story
Exercise Triggers Stem Cells in Muscle
Researchers have determined
that an adult stem cell
present in muscle is
responsive to exercise, a
discovery that may provide a
link between exercise and
muscle health. The findings
... > full story
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New Species of Bamboo-Feeding Plant Lice Found in Costa Rica
February 6, 2012 — Several periods of field work during 2008 have led to the discovery of a new species of bamboo-feeding plant lice in Costa Rica's high-altitude region Cerro de la Muerte. The discovery was made ... > full story -
Sharp Images from the Living Mouse Brain
February 6, 2012 — Scientists have for the first time made finest details of nerve cells in the brain of a living mouse ... > full story -
Why Do Cells Age? Discovery of Extremely Long-Lived Proteins May Provide Insight Into Cell Aging and Neurodegenerative Diseases
February 3, 2012 — One of the big mysteries in biology is why cells age. Now scientists report that they have discovered a weakness in a component of brain cells that may explain how the aging process occurs in the ... > full story -
Collective Action: Occupied Genetic Switches Hold Clues to Cells' History
February 3, 2012 — If you wanted to draw your family tree, you could start by searching for people who share your surname. Cells, of course, don’t have surnames, but scientists have found that genetic switches ... > full story -
Parasites or Not? Transposable Elements in DNA of Fruit Flies May Be Beneficial
February 3, 2012 — Many living organisms suffer from parasites, which use the hosts’ resources for their own purposes. The problem of parasitism occurs at all levels right down to the DNA scale. Genomes may ... > full story -
Holding Back Immunity: 'Gatekeeper' Protein Key to Helping Immune Cells to Sound Warning
February 3, 2012 — A 'gatekeeper' protein plays a critical role in helping immune cells to sound a warning after encountering signs of tumor growth or infection, researchers ... > full story -
Scientists Coax Shy Microorganisms to Stand out in a Crowd
February 2, 2012 — Scientists have advanced a method that allowed them to single out a marine microorganism and map its genome even though the organism made up less than 10 percent of a water sample teeming with many ... > full story -
'Yellow Biotechnology': Using Plants to Silence Insect Genes in a High-Throughput Manner
February 2, 2012 — 'Yellow biotechnology' refers to biotechnology with insects -- analogous to the green (plants) and red (animals) biotechnology. Active ingredients or genes in insects are characterized and used for ... > full story -
Probable Mechanism Underlying Resveratrol Activity Uncovered: Chemical Found in Red Wine and Other Foods
February 2, 2012 — Researchers have identified how resveratrol, a naturally occurring chemical found in red wine and other plant products, may confer its health benefits. The authors present evidence that resveratrol ... > full story -
Bacterial Plasmids -- The Freeloading and the Heavy-Lifters -- Balance the High Price of Disease
February 1, 2012 — Studying self-replicating genetic units, called plasmids, found in one of the world's widest-ranging pathogenic soil bacteria -- the crown-gall-disease-causing microorganism Agrobacterium tumefaciens ... > full story
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