Human vision inadequate for research on bird vision May 12, 2008 | User rating: 4.8 / 5 after 12 vote(s)
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The most attractive male birds attract more females and as a result are most successful in terms of reproduction. This is the starting point of many studies looking for factors that influence sexual selection in birds. However, ... | |
How embryonic stem cells develop into tissue-specific cells demonstrated May 12, 2008 | User rating: 4.7 / 5 after 7 vote(s)
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While it has long been known that embryonic stem cells have the ability to develop into any kind of tissue-specific cells, the exact mechanism as to how this occurs has heretofore not been demonstrated. Now, researchers at ... | |
Can feces save the species? May 12, 2008 | User rating: not shown ( 4 vote(s) ) | No comments yet
It’s a tough job, but somebody, or at least some dogs, have to do it. In the Cerrado region of Brazil, four dogs trained to detect animal feces by scent are helping researchers monitor rare and threatened wildlife such as ... | |
Surprising discovery: Multicellular response is 'all for one' May 08, 2008 | User rating: 4.3 / 5 after 10 vote(s)
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Real or perceived threats can trigger the well-known “fight or flight response” in humans and other animals. Adrenaline flows, and the stressed individual’s heart pumps faster, the muscles work harder, the brain sharpens ... | |
 Researchers identify photosynthetic dimmer switch May 08, 2008 | User rating: 4.4 / 5 after 9 vote(s)
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In a study of the molecular mechanisms by which plants protect themselves from oxidation damage should they absorb too much sunlight during photosynthesis, a team of researchers has discovered a molecular ... | |
 Oldest gorilla in captivity turns 55 at Dallas Zoo May 09, 2008 | User rating: not shown ( 2 vote(s) ) | No comments yet
(AP) -- A gorilla recognized as the world's oldest in captivity celebrated her 55th birthday by munching down a four-layer frozen fruit cake and banana leaf wrapped treats. | |
 Scientists identify key roadblock to gene expression May 08, 2008 | User rating: 3.4 / 5 after 5 vote(s)
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A team of scientists has provided, for the first time, a detailed map of how the building blocks of chromosomes, the cellular structures that contain genes, are organized in the fruit fly Drosophila melanogaster. ... | |
What's bugging locusts? May 08, 2008 | User rating: 4.4 / 5 after 14 vote(s)
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Since ancient times, locust plagues have been viewed as one of the most spectacular events in nature. In seemingly spontaneous fashion, as many as 10 billion critters can suddenly swarm the air and carpet the ground, blazing ... | |
 Neanderthals were separate species, says new human family tree May 04, 2008 | User rating: 4 / 5 after 63 vote(s)
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A new, simplified family tree of humanity, published on Sunday, has dealt a blow to those who contend that the enigmatic hominids known as Neanderthals intermingled with our forebears. | |
 Researchers study bacterium big enough to see -- the Shaquille O'Neal of bacteria May 07, 2008 | User rating: 4.5 / 5 after 16 vote(s)
| User comments: 2
Well, perhaps not quite Shaquille O'Neal. But it is Shaq-teria. The secret to an unusual bacterium's massive size -- it's the size of a grain of salt, or a million times bigger than E. coli bacteria, and big ... | |
Canadian teen makes sticky molecule in bid to diagnose, prevent flu May 08, 2008 | User rating: 4.5 / 5 after 10 vote(s)
| User comments: 1
A Canadian high school student has won a national science competition for her new molecule that binds to flu viruses, which may eventually be used to diagnose or prevent flu infections. | |
 Superbug genome sequenced May 07, 2008 | User rating: not shown ( 4 vote(s) ) | No comments yet
The genome of a newly-emerging superbug, commonly known as Steno, has just been sequenced. The results reveal an organism with a remarkable capacity for drug resistance. The research was carried out by scientists ... | |
Seagulls: Are males the weaker sex? May 07, 2008 | User rating: not shown ( 2 vote(s) ) | No comments yet
Male seagulls may be more vulnerable to their environment during embryonic development than females, according to Maria Bogdanova and Ruedi Nager from the University of Glasgow in the UK. Until now, the sex differences in ... | |
China's panda preserves reported safe May 13, 2008 | User rating: not shown ( 1 vote(s) ) | No comments yet
(AP) -- All the pandas at the world's most famous panda preserve were reported safe late Tuesday, more than a day after China's worst earthquake in three decades closed off the remote, mountainous area. | |
 It started with a squeak: Moonlight serenade helps lemurs pick mates of the right species May 07, 2008 | User rating: not shown ( 1 vote(s) ) | No comments yet
Lonely hearts columns testify that finding a partner can be hard enough, but at least most human beings can be fairly certain that when we do we have got one of the right species. Things aren’t so simple for ... | |
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