News tagged with natural

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Tree of life

Evolution may take giant leaps

Biology / Evolution

created Dec 11, 2009 | popularity 4.5 / 5 (29) | comments 39 weblog

(PhysOrg.com) -- A new study of thousands of species of plants and animals suggests new species may arise from rare events instead of through an accumulation of small changes made in response to changes in ...


Social scientists build case for 'survival of the kindest'

Social scientists build case for 'survival of the kindest'

Other Sciences / Social Sciences

created Dec 08, 2009 | popularity 4.2 / 5 (36) | comments 61

(PhysOrg.com) -- Researchers at the University of California, Berkeley, are challenging long-held beliefs that human beings are wired to be selfish. In a wide range of studies, social scientists are amassing ...


Nut Roasting Benefits: Antioxidant levels of nuts increases after roasting

Chemistry / Other

created Dec 22, 2009 | popularity not rated yet | comments 0

The chemical reaction that darkens a batch of roasting peanuts also boosts the amount of antioxidants they contain, according to a new study in the journal Food Chemistry.


A dolphin swims off the coast of Rangiroa

Oceans becoming noisier thanks to pollution -- report

Space & Earth / Environment

created Dec 20, 2009 | popularity 4 / 5 (4) | comments 4

The world's oceans are becoming noisier thanks to pollution, with potentially harmful effects for whales, dolphins and other marine life, US scientists said in a study published Sunday.


Global barcode project to scan plants in the wild

Biology / Ecology

created Dec 16, 2009 | popularity not rated yet | comments 0

(PhysOrg.com) -- A cheap and fast method of identifying the world's most important plants in the wild could soon be possible, thanks to a global project involving the University of Adelaide.


A greener way to get electricity from natural gas

A greener way to get electricity from natural gas

Technology / Energy

created Dec 03, 2009 | popularity 3.7 / 5 (16) | comments 9

(PhysOrg.com) -- A new type of natural-gas electric power plant proposed by MIT researchers could provide electricity with zero carbon dioxide emissions to the atmosphere, at costs comparable to or less than ...


Global warming could significantly impact US wine and corn production, scientists say

Space & Earth / Environment

created Dec 14, 2009 | popularity 3.1 / 5 (9) | comments 11

When it comes to nature, timing is everything. Spring flowers depend on birds and insects for pollination. But if spring-like weather arrives earlier than usual, and flowers bloom and wither before the pollinators appear, ...


Do consumers always approach pleasure and avoid pain? New study suggests an alternative

Other Sciences / Social Sciences

created Dec 14, 2009 | popularity 4 / 5 (1) | comments 0

Whether it's doing sit-ups or eating steamed veggies instead of fries, it's often difficult to get ourselves to do something we know is beneficial. A new study in the Journal of Consumer Research says we can trick oursel ...


Not easy being green

Not easy being green

Space & Earth / Environment

created Dec 18, 2009 | popularity 3.7 / 5 (3) | comments 0

(PhysOrg.com) -- It was a battle to save a cherished piece of nature from the forces of economic growth. Preservationists formed groups to present their case, and public figures across the country spoke up ...


Charles Darwin: More than the origin

Charles Darwin: More than the origin

Biology / Evolution

created Dec 09, 2009 | popularity 5 / 5 (1) | comments 0

Although Charles Darwin is most well-known for his book On the Origin of Species, in which he described the process of natural selection, he greatly contributed to many specific fields within biology. As ...


Article Traces History of Darwinian Medicine

Biology / Evolution

created Dec 10, 2009 | popularity not rated yet | comments 0

(PhysOrg.com) -- Despite being a founding principle of modern biology for 150 years, evolutionary theory has played a limited role in the field of medicine. Only in the last 20 years has Darwinian medicine emerged as a discipline ...


Hops compound may prevent prostate cancer

Medicine & Health / Cancer

created Dec 08, 2009 | popularity 4 / 5 (2) | comments 0

The natural compound xanthohumol blocks the effects of the male hormone testosterone, therefore aiding in the prevention of prostate cancer.


Precision breeding creates super potato

Precision breeding creates super potato

Biology / Biotechnology

created Dec 08, 2009 | popularity 5 / 5 (1) | comments 0

The skin is light brown, the meat luscious and yellow: from the outside alone, this new potato looks like any other. But on the inside, it is different. Its cells produce pure amylopectin, a starch used in ...


Heart drugs show promise for fighting colon cancer

Heart drugs show promise for fighting colon cancer

Medicine & Health / Cancer

created Dec 16, 2009 | popularity not rated yet | comments 0

Scientists in Sweden are reporting for the first time that a group of drugs used to treat heart failure shows promise for fighting colon cancer. The study is in ACS' Journal of Natural Products. Colon cancer ...


Home heating efficiencies offer 'hat trick' of savings: study

Space & Earth / Environment

created Dec 15, 2009 | popularity 3 / 5 (1) | comments 0

Improving the energy efficiency of Maryland homes heated by natural gas would generate a "hat trick" of economic and environmental benefits over the next 10 years, including more than 80,000 new jobs, savings of hundreds ...