Scientists unveil new tool to understand evolution of multi-domain genes 44 minutes ago | User rating: not rated yet | No comments yet
Carnegie Mellon scientists have discovered critical flaws in the standard method used to analyze gene evolution. Standard methods fail when applied to genes that encode multi-domain proteins, an important class of proteins ... | |
Novel enzyme inhibitor paves way for new cancer drug 45 minutes ago | User rating: not rated yet | No comments yet
Combining natural organic atoms with metal complexes, scientists at The Wistar Institute have developed a new type of enzyme inhibitor capable of blocking a biochemical pathway that plays a key role in cancer development. | |
New SKorean law tightens rules on cloning 2 hours ago | User rating: not rated yet | User comments: 1
South Korea's parliament on Friday passed a law to regulate research into cloning, following a scandal in which a now-disgraced expert claimed to have made the first human clone stem cells. | |
 Giant pythons invade southeastern Florida: study 2 hours ago | User rating: not shown ( 2 vote(s) ) | No comments yet
Giant pythons capable of swallowing a dog and even an alligator are rapidly making south Florida their home, potentially threatening other southeastern states, a study said. | |
Inject rational argument into embryo debate, says expert 1 hour ago | User rating: not rated yet | No comments yet
In the week that the UK parliament debates controversial amendments to the 1990 Human Fertilisation and Embryology Act, Professor John Burn asks at what point a cell becomes a human. | |
Small primate ancestors had a leg up 21 hours ago | User rating: 4.2 / 5 after 6 vote(s)
| User comments: 1
Smaller primates expend no more energy climbing than they do walking, Duke University researchers have found. This surprising discovery may explain the evolutionary edge that encouraged the tiny ancestors of modern humans, ... | |
New study reveals hidden neotropical diversity 21 hours ago | User rating: not shown ( 3 vote(s) ) | No comments yet
Evidence of physically similar species hidden within plant tissues suggest that diversity of neotropical herbivorous insects may not simply be a function of plant architecture, but may also reflect the great age and area ... | |
An ancient protein balances gene activity and silences foreign DNA in bacteria 21 hours ago | User rating: not shown ( 3 vote(s) ) | No comments yet
Compared to humans, bacteria have a much tidier genome. The tiny microorganisms pack their genes closely together, and don’t carry around a lot of extraneous DNA, so-called junk DNA that fills in the gaps between genes. Some ... | |
Immune cells kill foes by disrupting mitochondria 2 ways 23 hours ago | User rating: not shown ( 2 vote(s) ) | No comments yet
When killer T cells of the immune system encounter virus-infected or cancer cells, they unload a lethal mix of toxic proteins that trigger the target cells to self-destruct. A new study shows T cells can initiate cellular ... | |
Geneticists trace the evolution of St. Louis encephalitis 24 hours ago | User rating: not shown ( 3 vote(s) ) | No comments yet
Before West Nile virus arrived in this country, we had (and still have) a home-grown relative of this pathogen. An epidemic of unknown origin exploded around St. Louis, Missouri in the autumn of 1933, a disease that is now ... | |
Researchers document rapid, dramatic 'reverse evolution' in the threespine stickleback fish 23 hours ago | User rating: 4.4 / 5 after 7 vote(s)
| No comments yet
Evolution is supposed to inch forward over eons, but sometimes, at least in the case of a little fish called the threespine stickleback, the process can go in relative warp-speed reverse, according to a study led by researchers ... | |
Larger horns a gamble for young Soay sheep 23 hours ago | User rating: not shown ( 2 vote(s) ) | No comments yet
When it comes to winning mates, larger horns are an asset for male Soay sheep. But those that grow them may be putting their young lives on the line, according to a study published online on May 15th in Current Biology. | |
Sea lions likely died from the heat May 15, 2008 | User rating: not shown ( 4 vote(s) ) | User comments: 2
(AP) -- The deaths of six sea lions found in traps on the Columbia River earlier this month were likely caused by the heat, and not by gunshots as officials first suspected, the National Marine Fisheries Service said. | |
 Ants swarm over Houston area, fouling electronics May 14, 2008 | User rating: 4.1 / 5 after 15 vote(s)
| User comments: 1
(AP) -- In what sounds like a really low-budget horror film, voracious swarming ants that apparently arrived in Texas aboard a cargo ship are invading homes and yards across the Houston area, shorting out ... | |
 US lists polar bear as threatened species May 14, 2008 | User rating: 2.6 / 5 after 14 vote(s)
| No comments yet
(AP) -- The Interior Department has decided to protect the polar bear as a threatened species because of the decline in Arctic sea ice from global warming, officials said Wednesday. | |
Pages: 1
Next »
PhysOrg Video
- CBS in $1.8B Deal for News, Info Site CNet - video , May 16
- From Molecule to Medicine - video , May 16
- From Molecule to Medicine - video , May 16
- The 'Rocket Man' Takes Flight - video , May 15
- Saying Farewell to the Landline Phone? - video , May 15
- Foneshow Makes Podcasts Available On-the-go - video , May 15
- PhysOrg Video »
Most popular stories
-
Who should MDs let die in a pandemic? Report offers answers,
May 05, 2008
-
Space scientist says texting is four times more expensive than receiving scientific data from space,
May 12, 2008
-
Make Ethanol in Your Own Backyard,
May 09, 2008
-
Neanderthals were separate species, says new human family tree,
May 04, 2008
-
Sahara made slow transition from green to desert: study,
May 10, 2008
- Most popular »
News Pix
-
NASA Satellite Finds Interior of Mars Is Colder,
19 hours ago
-
Quirky pulsar system discovered at Arecibo challenges theories of binary formation,
19 hours ago
-
Golden Crown,
May 14, 2008
-
NASA Phoenix Mission Ready For Mars Landing,
May 13, 2008
- More news pix »
Physorg Account
PhysOrg Forum
Video
Editorials
Free Magazines
Free White Papers
PhysOrg Jobs
Newsletter
Goto Archive
Suggest a story idea
Send feedback
