Citrus surprise: Vitamin C boosts the reprogramming of adult cells into stem cells
Dec 24, 2009 |
4.8 / 5 (26) |
4
Famous for its antioxidant properties and role in tissue repair, vitamin C is touted as beneficial for illnesses ranging from the common cold to cancer and perhaps even for slowing the aging process. Now, ...
Ladder-walking locusts show big brains aren't always best
Dec 24, 2009 |
5 / 5 (6) |
1
Scientists have shown for the first time that insects, like mammals, use vision rather than touch to find footholds. They made the discovery thanks to high-speed video cameras - technology the BBC uses to ...
Hot Water Treatment Eliminates Rhizoctonia from Azalea Cuttings
Dec 24, 2009 |
5 / 5 (3) |
0
(PhysOrg.com) -- Rhizoctonia, a fungal disease that can be found in many ornamental plants, can be eliminated in azalea by placing plant cuttings in a hot water treatment, an Agricultural Research Service (ARS) ...
Scientists identify protein that keeps stem cells poised for action
Dec 24, 2009 |
not rated yet |
0
Like a child awaiting the arrival of Christmas, embryonic stem cells exist in a state of permanent anticipation. They must balance the ability to quickly become more specialized cell types with the cellular chaos that could ...
New Yorkers beware! New cockroach hits the Big Apple
Dec 24, 2009 |
4.3 / 5 (16) |
3
New Yorkers are used to fighting each other for space, but there may be a new contender in town according to a Rockefeller study that appears to have uncovered a new species of cockroach.
Researchers reveal secrets of duck sex: It's all screwed up
Dec 23, 2009 |
3.9 / 5 (11) |
0
Female ducks have evolved an intriguing way to avoid becoming impregnated by undesirable but aggressive males endowed with large corkscrew-shaped penises: vaginas with clockwise spirals that thwart oppositely ...
Scientists show that plants have measure of the shortest day
Dec 23, 2009 |
5 / 5 (2) |
1
(PhysOrg.com) -- It is not only people who feel the effects of short winter days - new research by the University of Edinburgh and the University of Warwick has shed light on how plants calculate their own winter solstice. ...
Wiggling and waggling: Study sheds light on amazing bee brain
Dec 21, 2009 |
4.4 / 5 (10) |
0
(PhysOrg.com) -- Their brains are tiny - about the size of sesame seeds - and yet the behaviour of the humble honey bee is so advanced it has scientists scratching their heads in disbelief.
Bees show off the perfect landing
Dec 23, 2009 |
4.5 / 5 (8) |
0
(PhysOrg.com) -- Honey bees undergo a sudden transition from speeding aircraft to hovering helicopter as they perform the delicate art of landing on a flower.
Sniffing out clues to dogs' compulsive behavior
Dec 22, 2009 |
3.8 / 5 (4) |
0
(PhysOrg.com) -- At first glance, a dog chasing its tail seems a harmless, if fruitless, pursuit. But for many dogs and their owners, the habit has a dark side, one that means endless hours and energy spent ...
Seeing how evolutionary mechanisms yield biological diversity
Dec 22, 2009 |
not rated yet |
0
An international team of scientists has discovered how changes in both gene expression and gene sequence led to the diversity of visual systems in African cichlid fish.
Mystery solved: Scientists now know how smallpox kills
Dec 22, 2009 |
5 / 5 (10) |
0
A team of researchers working in a high containment laboratory at the Centers for Disease Control and Prevention in Atlanta, GA, have solved a fundamental mystery about smallpox that has puzzled scientists long after the ...
Study sheds light on microscopic flower petal ridges
Dec 22, 2009 |
4.3 / 5 (3) |
0
(PhysOrg.com) -- Microscopic ridges contouring the surface of flower petals might play a role in flashing that come-hither look pollinating insects can't resist. Michigan State University scientists and colleagues ...
Meddling in mosquitoes' sex lives could help stop the spread of malaria, says study
Dec 22, 2009 |
5 / 5 (1) |
2
(PhysOrg.com) -- Stopping male mosquitoes from sealing their sperm inside females with a 'mating plug' could prevent mosquitoes from reproducing, and offer a potential new way to combat malaria, say scientists ...
The past matters to plants
Dec 21, 2009 |
4.7 / 5 (3) |
0
(PhysOrg.com) -- It's commonly known that plants interact with each other on an everyday basis: they shade each other out or take up nutrients from the soil before neighboring plants can get them. Now, researchers ...
