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General Science / Biology news 1234

At 2.8 km down, a 1-of-a-kind microorganism lives all alone

October 09, 2008 | User rating: 4.9 / 5 after 60 vote(s) | User comments: 8

The first ecosystem ever found having only a single biological species has been discovered 2.8 kilometers (1.74 miles) beneath the surface of the earth in the Mponeng gold mine near Johannesburg, South Africa. ...


Siren voice means she's fertile

October 08, 2008 | User rating: 4.2 / 5 after 24 vote(s) | User comments: 6

A woman raises the pitch of her voice during her most fertile period of the month in an unconscious boost to her femininity, according to a study published Wednesday in the British journal Biology Letters. ...


Scientists: Virginia shark's pup a 'virgin birth'

October 10, 2008 | User rating: 4.5 / 5 after 15 vote(s) | User comments: 6

(AP) -- Scientists have confirmed the second case of a "virgin birth" in a shark. In a study reported Friday in the Journal of Fish Biology, scientists said DNA testing proved that a pup carried by a female ...


Deepest living fishes caught on camera for the first time

October 07, 2008 | User rating: 4.7 / 5 after 29 vote(s) | User comments: 2

(PhysOrg.com) -- Scientists filming in one of the world's deepest ocean trenches have found groups of highly sociable snailfish swarming over their bait, nearly five miles (7700 metres) beneath the surface ...


Research team solves structure of 'beneficial' virus

October 08, 2008 | User rating: not shown ( 4 vote(s) ) | User comments: 2

The 3-D structure of the virus, known as Seneca Valley Virus-001, reveals that it is unlike any other known member of the Picornaviridae viral family, and confirms its recent designation as a separate genus "Senecavirus." ...


Study shows how fatty foods curb hunger

October 07, 2008 | User rating: 4.4 / 5 after 9 vote(s) | User comments: 1

Fatty foods may not be the healthiest diet choice, but those rich in unsaturated fats – such as avocados, nuts and olive oil – have been found to play a pivotal role in sending this important message to your brain: stop eating, ...


DNA could reveal your surname

October 08, 2008 | User rating: 4 / 5 after 29 vote(s) | User comments: 1

(PhysOrg.com) -- Scientists at the world-leading Department of Genetics at the University of Leicester – where the revolutionary technique of genetic fingerprinting was invented by Professor Sir Alec Jeffreys- are developing ...


Protection for stressed-out bacteria identified

October 08, 2008 | User rating: 4.5 / 5 after 6 vote(s) | User comments: 1

An international team of researchers is a step closer to understanding the spread of deadly diseases such as listeriosis, after observing for the first time how bacteria respond to stress.


Researchers discover how infectious bacteria can switch species

October 09, 2008 | User rating: 4.8 / 5 after 6 vote(s) | User comments: 1

Scientists from the Universities of Bath and Exeter have developed a rapid new way of checking for toxic genes in disease-causing bacteria which infect insects and humans. Their findings could in the future ...


Biologists spy on the secret inner life of a cell

23 hours ago | User rating: 4.2 / 5 after 6 vote(s) | User comments: 1

The transportation of antibodies from a mother to her newborn child is vital for the development of that child's nascent immune system. Those antibodies, donated by transfer across the placenta before birth or via breast ...


Forsyth scientists trigger cancer-like response from embryonic stem cells

10 hours ago | User rating: not shown ( 3 vote(s) ) | User comments: 1

Scientists from The Forsyth Institute, working with collaborators at Tufts and Tuebingen Universities, have discovered a new control over embryonic stem cells' behavior. The researchers disrupted a natural bioelectrical mechanism ...