Archive: 29/10/2008

Playing games shows how personalities evolved

(PhysOrg.com) -- Why do some people co-operate while others are very selfish? Research by the universities of Bristol and Exeter offers a new explanation as to why such a wide range of personality traits has evolved in humans ...

dateOct 29, 2008 in
shares0 comments 1

Scientists Create New Robust Genetic Clock

UC San Diego bioengineers have created the first stable, fast and programmable genetic clock that reliably keeps time by the blinking of fluorescent proteins inside E. coli cells. The clock's blink rate changes when the temperature, ...

dateOct 29, 2008 in
shares0 comments 2

1,000 tags reveal mysteries of giant bluefin tuna

A giant Atlantic bluefin tuna weighing more than half a ton had the honor of being fitted with the 1000th electronic tracking tag placed on this threatened species when it was caught and released on Monday (October 20) in ...

dateOct 29, 2008 in
shares0 comments 0

Methane gas levels begin to increase again

The amount of methane in Earth's atmosphere shot up in 2007, bringing to an end a period of about a decade in which atmospheric levels of the potent greenhouse gas were essentially stable, according to a team led by MIT researchers.

dateOct 29, 2008 in Earth Sciences
shares0 comments 33

Predatory bacterial swarm uses rippling motion to reach prey

Like something from a horror movie, the swarm of bacteria ripples purposefully toward their prey, devours it and moves on. Researchers at the University of Iowa are studying this behavior in Myxococcus xanthus (M. xanthus), ...

dateOct 29, 2008 in
shares0 comments 0