Mark Puttick and colleagues investigated the rates of evolution of the two key characteristics that preceded flight: body size and forelimb length. In order to fly, hulking meat-eating dinosaurs had to shrink in size and ...
Archaeology
Feb 23, 2014
2
0
Volcanoes spewing Sun-reflecting particles into the atmosphere have partly offset the effects of Man's carbon emissions over a 15-year period that has become a global-warming battleground, researchers said Sunday.
Earth Sciences
Feb 23, 2014
30
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With the help of a tiny fragment of zircon extracted from a remote rock outcrop in Australia, the picture of how our planet became habitable to life about 4.4 billion years ago is coming into sharper focus.
Earth Sciences
Feb 23, 2014
14
1
The Andromeda Galaxy is surrounded by a swarm of small satellite galaxies. Researchers from the Niels Bohr Institute, among others, have detected a stream of stars in one of the Andromeda Galaxy's outer satellite galaxies, ...
Astronomy
Feb 23, 2014
25
1
New research published today has found that climate change is unlikely to reduce the UK's excess winter death rate as previously thought.
Environment
Feb 23, 2014
6
0
Scientists studying the sexual transformation of the malaria parasite have solved a long-standing mystery in parasite biology. Two research teams have independently discovered that a single protein acts as the master genetic ...
Biotechnology
Feb 23, 2014
0
0
Researchers at the University of Illinois at Chicago have developed a system for precisely delivering anti-inflammatory drugs to immune cells gone out of control, while sparing their well-behaved counterparts. Their findings ...
Bio & Medicine
Feb 23, 2014
0
0
An international team of researchers have discovered a 'microbial Pompeii' preserved on the teeth of skeletons around 1,000 years old. The key to the discovery is the dental calculus (plaque) which preserves bacteria and ...
Biotechnology
Feb 23, 2014
0
0
(AP)—Microsoft will update its Windows system this spring to address some of the gripes people have had when they use devices without touch capabilities.
Software
Feb 23, 2014
1
0
(AP)—How's this for gall? Take away hundreds of dollars in subsidies that cellphone customers have enjoyed for years. Then pass it off as an improvement.
Telecom
Feb 23, 2014
1
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