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24. Jan 12

3 Benutzer
von hrabeck

High genetic diversity in an ancient Hawaiian clon...

http://www.sciencedaily.com/releases/2011/12/11122...

The entire Hawaiian population of the peat moss Sphagnum palustre appears to be a clone that has been in existence for some 50,000 years, researchers have discovered.

evolutionary biology; developmental biology; biology;

16. Aug 11

2 Benutzer
von jaairisirr

Rapid venom evolution in pit vipers may be defensi...

http://www.sciencedaily.com/releases/2011/07/11071...

Research delivers new insight about rapid toxin evolution in venomous snakes. New molecular research on snake-eating opossums suggests that predators factor into the rapid evolution of snake venom.

frogs and reptiles; evolutionary biology;

22. Dec 11

2 Benutzer
von adedwards

Changes in bioelectric signals trigger formation o...

http://www.sciencedaily.com/releases/2011/12/11120...

For the first time, scientists have altered natural bioelectrical communication among cells to directly specify the type of new organ to be created at a particular location within a vertebrate organis...

developmental biology; genetics; biology; storms;

16. Jan 12

2 Benutzer
von amickey

systems biology approach reveals

http://www.sciencedaily.com/releases/2012/01/12011...

People harbor more than 100 trillion microbes. These microbes live in various habitats on and within the human anatomy; the gut houses the densest population of all, containing hundreds of bacterial s...

human biology; gastrointestinal problems; colitis;

29. Jan 12

2 Benutzer
von paeldridge

Built-in 'self-destruct timer' causes ultimate dea...

http://www.sciencedaily.com/releases/2011/12/11122...

Researchers have discovered the first known mechanism by which cells control the survival of messenger RNA (mRNA) -- arguably biology's most important molecule. The findings pertain to mRNAs that help...

human biology; nervous system; genes;

19. Jan 10

Einmal gespeichert
von Lianjasjs

Low concentrations of oxygen and nutrients slowing...

http://www.sciencedaily.com/releases/2010/01/10011...

The combination of low concentrations of oxygen and nutrients in the lower layers of the beaches of Alaska's Prince William Sound is slowing the aerobic biodegradation of oil remaining from the 1989 E...

extreme survival; marine biology; organic;

19. Apr 10

Einmal gespeichert
von skaylinnnn

Ocean Life Under Threat From Climate Change

http://www.sciencedaily.com/releases/2008/06/08060...

The international science community must devote more resources to research into the effects climate change is having on ocean environments, according to a paper recently published in the journal Scien...

marine biology; fish; nature; oceanography;

07. Jun 10

Einmal gespeichert
von svenuemurp

Oil spill puts commercially significant cold-water...

http://www.sciencedaily.com/releases/2010/06/10060...

Thousands of barrels of oil are leaking out of the Deepwater Horizon site each day. The oil ascends from depths of approximately 1502 m. (4928 ft.), but not all of it reaches the sea surface. The stra...

fish; marine biology; sea life;

10. Jul 10

Einmal gespeichert
von zarobanpirdosy

Biologists find a way to lower tumor risk in stem ...

http://www.sciencedaily.com/releases/2010/07/10070...

Biologists have discovered a way to limit the formation of teratomas. They have identified a new signaling pathway critical for unlimited self propagation of embryonic stem cells. Using small molecule...

stem cells; prostate cancer; brain

Einmal gespeichert
von zarobanpirdosy

depression and dementia

http://www.sciencedaily.com/releases/2010/07/10070...

Scientists researching a toxin extracted from the venom of the honey bee have used this to inform the design of new treatments to alleviate the symptoms of conditions such as muscular dystrophy, depre...

muscular dystrophy; nervous system; depression;

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