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News tagged with variation

Genetic safety in numbers, platypus study finds

(Phys.org) -- Platypuses on the Australian mainland and in Tasmania are fighting fit but those on small islands are at high risk of being wiped out from disease, according to a University of Sydney study.

Biology / Plants & Animals

created May 18, 2012 | popularity 5 / 5 (3) | comments 0

Bird color variations speed up evolution: research

Researchers have found that bird species with multiple plumage colour forms within in the same population, evolve into new species faster than those with only one colour form, confirming a 60 year-old evolution ...

Biology / Evolution

created May 09, 2012 | popularity 3.4 / 5 (5) | comments 39 | with audio podcast

Crop root study to boost Australian grain production

Researchers at The University of Western Australia say that "next frontier" of agricultural science is understanding the root system and function of crop plants to significantly increase Australian grain production, ...

Biology / Biotechnology

created May 09, 2012 | popularity 5 / 5 (1) | comments 0

Breeder works to reduce aluminum toxicity in rice

(Phys.org) -- As rice farmers around the world begin to turn from wet paddies to dry fields in an attempt to conserve water and mitigate climate change, they are facing a new foe: aluminum.

Biology / Biotechnology

created May 08, 2012 | popularity not rated yet | comments 0

Dry heat increases bark beetle bite

Climate change appears to be good news for destructive bark beetles, according to a new study by Lorenzo Marini from the University of Padova in Italy, and his team. Their work, published online in Springer's Climatic Ch ...

Biology / Ecology

created May 02, 2012 | popularity not rated yet | comments 0 | with audio podcast

Latest CryoSat result revealed

(Phys.org) -- After nearly a year and a half of operations, CryoSat has yielded its first seasonal variation map of Arctic sea-ice thickness. Results from ESA’s ice mission were presented today at the Royal Society in ...

Space & Earth / Earth Sciences

created Apr 25, 2012 | popularity 5 / 5 (3) | comments 0

New study suggests polar bears evolved earlier than previously thought

(Phys.org) -- A new genetic analysis carried out by and international team of scientists has revealed that polar bears and brown bears may have diverged around 600,000 years ago, which is much earlier than ...

Biology / Evolution

created Apr 20, 2012 | popularity 4 / 5 (3) | comments 69 | with audio podcast report

Plants and animals under greater threat due to climate change

Plant and animal species can lose their ability to adapt as a result of climate change. This is shown by research performed by Marleen Cobben with which she hopes to obtain her doctorate at Wageningen University on April ...

Biology / Ecology

created Apr 16, 2012 | popularity 3.7 / 5 (3) | comments 2

Single gene mutation can sweep through bacterial population, opening the door for the concept of 'species'

Bacteria are the most populous organisms on the planet. They thrive in almost every known environment, adapting to different habitats by means of genetic variations that provide the capabilities essential ...

Biology / Cell & Microbiology

created Apr 05, 2012 | popularity 5 / 5 (4) | comments 3 | with audio podcast

Study shows income inequality a key factor in high US teen births

New research reveals the surprising economics behind the high U.S. teen birth rates, and why Texas teens are giving birth at triple the rate of Massachusetts youth: high income inequality and low opportunity cost.

Other Sciences / Social Sciences

created Apr 05, 2012 | popularity not rated yet | comments 0

Why Europe's climate faces a stormy future

(PhysOrg.com) -- Europe is likely to be hit by more violent winter storms in the future. Now a new study into the effects of climate change has found out why.

Space & Earth / Earth Sciences

created Apr 03, 2012 | popularity 4 / 5 (12) | comments 19 | with audio podcast

Maternal gene causes more piglets to be born

A sow gives birth to more piglets if the DIO3 gene from its mother is expressed instead of the same gene inherited from its father. This is shown during research conducted by the Animal Breeding and Genomics Centre in Wageningen ...

Biology / Biotechnology

created Mar 26, 2012 | popularity not rated yet | comments 0

New research suggests European Neandertals were almost extinct long before humans showed up

Western Europe has long been held to be the "cradle" of Neandertal evolution since many of the earliest discoveries were from sites in this region. But when Neandertals started disappearing around 30,000 years ...

Other Sciences / Archaeology & Fossils

created Mar 26, 2012 | popularity 4.4 / 5 (8) | comments 6 | with audio podcast

Far-out photosynthesis

Photosynthesis maintains Earth's habitability for life as we know it, and shapes the way we search for habitable worlds around distant stars. Scientists have discovered a microbe that can use low-energy light ...

Biology / Cell & Microbiology

created Mar 16, 2012 | popularity 4.8 / 5 (6) | comments 7 | with audio podcast

Researcher sees marine nutraceuticals as growth industry

The marine nutraceutical industry is booming in Europe and Asia, and it has taken off in recent years in Canada as well. While the industry is still in its infancy in the United States, University of Rhode Island researcher ...

Chemistry / Other

created Mar 13, 2012 | popularity 4 / 5 (1) | comments 0