The French yacht Tara leaves Sunday on the second leg of a three-year voyage across the world's oceans to chart the effects of climate change on micro-organisms which produce half our oxygen.

(AP) -- Health officials in Chad say an outbreak of cholera in the Central African nation has killed at least 41 people.

(AP) -- Google Inc.'s methods for recommending websites are being reviewed by Texas' attorney general in an investigation spurred by complaints that the company has abused its power as the Internet's dominant search engine.

Google has agreed to pay 8.5 million dollars (US) to settle a privacy lawsuit over a Buzz social networking tool added to free email service Gmail in February, according to court documents.

(AP) -- Wikipedia founder Jimmy Wales believes relief may be in sight for the beleaguered news media industry.

More American adults are texting but they are not tapping out nearly as many messages per day on their cellphones as teenagers, according to a new survey from the Pew Research Center.

(AP) -- A German court ruled Friday that Google Inc.'s subsidiary YouTube LLC must pay compensation after users uploaded several videos of performances by singer Sarah Brightman in violation of copyright laws.

One of the most severe complications of brain surgery is a life-threatening blood clot in the lungs called a pulmonary embolism.

An international collaboration led by a University of Pennsylvania anthropologist has shown that environmental factors, like temperature and light, play as much of a role in the activity of traditionally nocturnal monkeys as the circadian rhythm that regulates periods of sleep and wakefulness.

NASA satellites and the International Space Station are keeping eyes on Hurricane Earl as it heads for New England. Watches and Warnings are posted in the U.S. northeast.

One of the big, unsolved problems in explaining how life arose on Earth is a chicken-and-egg paradox: How could the basic biochemicals -- such as amino acids and nucleotides -- have arisen before the biological catalysts (proteins or ribozymes) existed to carry out their formation?

Google updated its privacy policy on Friday, a day after a video cartoon featuring the Internet firm's chief giving away ice cream to snoop on children aired on a giant screen in Times Square.

NASA satellite data has noticed that Tropical Storm Fiona is getting "longer." That is, the storm is elongating in almost a north-south direction, indicating that she's weakening and may not make it through the weekend. Meanwhile, forecasters are watching two other areas for development in the eastern Atlantic this weekend.

Forty-six countries gained a clearer view on Friday of what it may take to secure a deal worth hundreds of billions of dollars in climate aid, an issue that threatens hopes for a treaty on global warming.

(PhysOrg.com) -- Vaccinating horses for eastern equine encephalitis at the proper time of the year is critical to ensuring animal health and protection, according to Michigan State University equine veterinarian Judy Marteniuk.

(PhysOrg.com) -- Experiments prompted by a 2008 surprise from NASA's Phoenix Mars Lander suggest that soil examined by NASA's Viking Mars landers in 1976 may have contained carbon-based chemical building blocks of life.

(PhysOrg.com) -- A recent discovery at the University of Arizona College of Medicine -- that adult stem cells collected from fat tissue can be converted to cells that will grow cartilage tissue -- has focused one Arizona Arthritis Center lab's research, promising new hope for osteoarthritis sufferers.

Japanese electronics maker Toshiba has recalled 41,000 laptop computers worldwide because of a fire risk, the US Consumer Product Safety Commission said.

The sands of time are running out for the central star of this the Hourglass Nebula.

(PhysOrg.com) -- Corn germplasm lines developed by U.S. Department of Agriculture (USDA) scientists are scoring high marks in field trials for resistance to aflatoxin produced by Aspergilllus flavus and A. parasiticus fungi.