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Researchers reveal secrets of duck sex: It's all screwed up
Dec 23, 2009 |
3.9 / 5 (11) |
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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 ...
Making New Enzymes to Engineer Plants for Biofuel Production
Dec 21, 2009 |
5 / 5 (1) |
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(PhysOrg.com) -- Brookhaven scientists have created a new enzyme with the potential to interfere with a key cell-wall component in plants, possibly leading to plants that are easier to "digest" and convert ...
Heme channel found
Dec 17, 2009 |
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In some ways a cell in your body or an organelle in that cell is like an ancient walled town. Life inside either depends critically on the intelligence of the gatekeepers.
Gadgets: Great gadgets, as a gift or not
Electronics / Consumer & Gadgets
Dec 17, 2009 |
3 / 5 (3) |
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Officially this is not another gift guide. Instead I'd rather consider it the first of two roundups either of products I just haven't gotten to this year or some I have just couldn't find a home for.
Umbilical cord could be new source of plentiful stem cells, researchers say
Dec 17, 2009 |
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Stem cells that could one day provide therapeutic options for muscle and bone disorders can be easily harvested from the tissue of the umbilical cord, just as the blood that goes through it provides precursor cells to treat ...
P&G to stop e-coupons for Kroger loyalty cards
Dec 17, 2009 |
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(AP) -- Procter & Gamble Co. is getting a digital divorce from Kroger Co., severing the online coupon program the two Cincinnati-based companies began two years ago.
26 operations, 13 kidneys: hope to few with little
Dec 14, 2009 |
5 / 5 (1) |
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(AP) -- Twenty-six operations put healthy kidneys into 13 desperately ill people: Doctors in the nation's capital just performed a record-setting kidney swap, part of a pioneering effort to expand transplants ...
Researchers show brain waves can 'write' on a computer in early tests
Dec 07, 2009 |
4.9 / 5 (18) |
3
Neuroscientists at the Mayo Clinic campus in Jacksonville, Fla., have demonstrated how brain waves can be used to type alphanumerical characters on a computer screen. By merely focusing on the "q" in a matrix of letters, ...
Muscle cell infusion shown to strengthen sphincters in animals
Dec 04, 2009 |
4.8 / 5 (4) |
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A new study shows that muscle cells grown in the lab can restore an intestine's ability to squeeze shut properly. The work, performed in dogs and rats, might ultimately help treat patients with conditions such as gastric ...
Understanding DNA Repair and Cancer
Dec 03, 2009 |
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(PhysOrg.com) -- A protein that plays a key role in copying DNA also plays a vital role in repairing breaks in it, UC Davis scientists have found. The work is helping researchers understand how cancer cells can resist radiation ...
Acid test: Study reveals both losers and winners of CO2-induced ocean acidification
Space & Earth / Earth Sciences
Dec 01, 2009 |
4.3 / 5 (13) |
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(PhysOrg.com) -- As the world’s seawater becomes more acidic due to rising atmospheric carbon dioxide, some shelled marine creatures may actually become bigger and stronger, according to a new study.
Research sheds light on workings of anti-cancer drug
Chemistry / Analytical Chemistry
Nov 26, 2009 |
5 / 5 (1) |
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(PhysOrg.com) -- The copper sequestering drug tetrathiomolybdate (TM) has been shown in studies to be effective in the treatment of Wilson disease, a disease caused by an overload of copper, and certain metastatic cancers. ...
New tool for helping pediatric heart surgery
Nov 24, 2009 |
5 / 5 (1) |
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A team of researchers at the University of California, San Diego and Stanford University has developed a way to simulate blood flow on the computer to optimize surgical designs. It is the basis of a new tool that may help ...
Ultrasound enhances noninvasive Down syndrome tests
Nov 20, 2009 |
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The addition of a "genetic sonogram" maximizes the accuracy of non-invasive testing for Down syndrome, said a Baylor College of Medicine researcher who was lead author of a landmark study in the current issue of Obstetrics an ...
Using superconducting probes to get a picture of what it's like inside CNTs
Nov 20, 2009 |
4.4 / 5 (9) |
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(PhysOrg.com) -- "Carbon nanotubes are exciting for fundamental physics, and for potential technological applications," Nadya Mason tells PhysOrg.com. "However, we are generally limited in the way that we can study them. ...
