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Dermatologist Kavita Mariwalla spoke with Russ Mitchell on Consumer Reports' top picks for the best performing sunscreens.

Consumer Reports rates them; Dermatologist discusses several of them

Some bats with poor eyesight depend on echolocation to navigate. They emit squeaks and gauge their environment based on the echo returned

Dr. Holly Phillips spoke with Russ Mitchell on some information regarding back pain including common causes and why staying active is key.

Isabelle Beisiegel became the first female player to earn a playing card on a men's professional golf tour, tying for ninth place Friday in the Canadian Tour's Spring Qualifying School to take one of the last two nonexempt spots.

%excerpt% See the rest here: PGT: Garcia, Palmer lead, Spieth lurking at Nelson

Sergio Garcia and Ryan Palmer share the lead after two rounds at the Byron Nelson Championship at 8-under 132.

%excerpt% See the original post: PGT: Tiger officially skips Memorial next week

Do you come from a country that has, let’s say, a history of environmental disasters or conquests? Then your culture is probably “tight”--it has strong social norms and doesn’t tolerate much deviance from those norms.

Robots that walk, robots that talk, robots that suck and, yes, robots that blow. We've got them all in this week's roundup: (Okay, we lied about the robots that talk bit...but some of them do, you know?) Loch, Singapore's Android Singapore's Nanyang Technological University has been working on its nation's most complex full-scale android yet--Loch, the Low Cost Humanoid--for a few years, but he's been largely overlooked. This is a shame, because though he's from a nation you wouldn't normally associate with advanced robotics, he can walk, manage stairs, and resist being pushed off course.

Behold the halo effect of the new commercial space biz : Zero-G , a Vienna, Va.-based company that specializes in flying passengers on modified jets to simulate orbital weightlessness, just got safety approval to train passengers and crew for simple space flight. And lest you begin worrying this new era is all about pointless fun and not science, the company can help researchers prepare their gear before flying it into space

LOUISVILLE, Ky. (AP) - Olin Browne was a part of the United States' stirring victory over Europe in the 2008 Ryder Cup at Valhalla Golf Club. Yet something was lacking, because he never touched his clubs.

National "Don't Fry Day" is the government's initiative to remind everyone about the dangers of excessive sun exposure. Sandra Hughes reports on some helpful tips to protect yourself this summer.

When I applied for this course – Integrated Ecosystem Management in Micronesia – I had no idea about the history that I would literally be diving into. Before my classmates and I left for Guam, Dr.

By Quirin Schiermeier of Nature magazine Radiation released by the tsunami-struck Fukushima Daiichi nuclear power plant could have long-lasting consequences for the natural environment in the vicinity of the damaged plant. Scientists estimate that in the first 30 days after the accident on 11 March, trees, birds and forest-dwelling mammals were exposed to daily doses up to 100 times greater-and fish and marine algae to doses several thousand times greater - than are generally considered safe. Radioecologists with the French Institute of Radioprotection and Nuclear Safety (ISRN) in Cadarache converted concentrations of radioisotopes measured in the soil and seawater into the actual doses that various groups of wildlife were likely to have received