World Topics

Light ahead in fight against eye disease

Jun 22, 2014

Light ahead in fight against eye disease

Once doomed to a life of darkness, dozens of people stricken by retinal diseases are rediscovering a world of light as scientists push ahead on cures for blindness. Already, bionic retinas enable blind people to “see” sidewalks, doorways and even oversized text while gene ...

New NASA satellite to map carbon emissions

Jun 21, 2014

New NASA satellite to map carbon emissions

NASA is preparing a July 1 launch for its first satellite dedicated to measuring atmospheric levels of carbon dioxide, a greenhouse gas that plays a key role in climate change. Carbon dioxide levels have reached their highest point in at least 800,000 years, according ...

Eucalyptus DNA finding raises hope

Jun 21, 2014

Eucalyptus DNA finding raises hope

Scientists said last week that they had unraveled the genome of a eucalyptus tree, gaining insights into its fast growth and adaptability that could one day enhance forests grown for biomass and timber. Eucalyptus is native to Australia, but has become the most widely-cultivated ...

Weight-loss sugery can reduce diabetes risk

Jun 21, 2014

Weight-loss sugery can reduce diabetes risk

Stomach-shrinking bariatric surgery beats other forms of treatment in bringing about a remission of Type 2 diabetes in the obese, according to a recent Swedish study. The study also found that the procedure was linked to fewer diabetes-related complications in the severely overweight. The ...

How ancient parasite wormed its way into human life

Jun 20, 2014

How ancient parasite wormed its way into human life

In a skeleton more than 6,200 years old, scientists have found the earliest known evidence of infection by a parasitic flatworm, revealing how human advancement enabled a creature resembling a tiny slug to spread. Today it afflicts more than 200 million people. Archaeologists discovered ...

Jun 19, 2014

Gene flaws may protect against heart disease

A rare set of genetic mutations found in fewer than 1 percent of the population may cut the risk of heart disease by 40 percent, researchers said Wednesday. The findings in the New England Journal of Medicine show how certain flaws in a gene ...