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UV exposure damages skin after sunset

Feb 28, 2015

UV exposure damages skin after sunset

Significant ultraviolet radiation damage to skin can still occur hours after its exposure to sunlight, scientific researches have determined. Exposure to sunlight or tanning lamps can damage DNA in melanocytes, the cells that pigment skin by producing melanin which gives skin its color, and ...

Feb 28, 2015

Animal body sizes tend to increase in over time

by Will Dunham

Renowned 19th-century American paleontologist Edward Drinker Cope proposed “Cope’s Rule,” hypothesizing that animal lineages tend to increase in body size over time. The dinosaur fossils he dug up in the American West seemed to bear this out. However, Cope was not infallible. In a ...

Leonard Nimoy leaves legacy beyond science fiction

Feb 28, 2015

Leonard Nimoy leaves legacy beyond science fiction

Leonard Nimoy didn’t just leave a lasting impression on the science-fiction world, he also left his mark on science itself. Seth Shostak, who researches the possibility of extraterrestrial life as the senior astronomer at SETI Research, recalled that Nimoy was regularly willing to lend ...

Feb 28, 2015

Canada worried as a growing number of youths join jihad

Concerned about a growing number of Canadian youths traveling overseas to join jihadis, and lacking an immediate alternative, political leaders have asked parents to keep a more watchful eye on their children for signs of extremism. “These situations are disastrous,” Quebec Premier Philippe Couillard ...

Ukraine war to be Putin's undoing, Khodorkovsky says

Feb 28, 2015

Ukraine war to be Putin's undoing, Khodorkovsky says

Exiled Russian former tycoon Mikhail Khodorkovsky warned Friday that President Vladimir Putin’s policies on the Ukraine conflict will bring Moscow to ruin, much as the Afghan war helped bankrupt the Soviet Union. A year after annexing Ukraine’s Crimean Peninsula, Russia finds itself isolated and ...

Feb 28, 2015

Canadian bus beheader gets more freedoms

A man who beheaded a fellow passenger aboard a Greyhound bus in Manitoba seven years ago was granted more freedoms Friday and could eventually be moved into a community group home. A decision by the Manitoba Criminal Code Review Board said Vince Li must ...

Mexico captures Knights Templar drug cartel leader Gomez

Feb 28, 2015

Mexico captures Knights Templar drug cartel leader Gomez

Servando “La Tuta” Gomez, a former school teacher who became one of Mexico’s most-wanted drug lords as head of the Knights Templar cartel, was captured early Friday by federal police as he tried to sneak out of a house wearing a baseball cap and ...

'Star Trek' Spock actor Nimoy dies at age 83

Feb 28, 2015

'Star Trek' Spock actor Nimoy dies at age 83

Leonard Nimoy, who won fame with his portrayal of the logic-bound, half-alien Mr. Spock in the “Star Trek” TV series and movies, died on Friday at 83. Nimoy, who had battled chronic obstructive pulmonary disease (COPD), died at his home in Los Angeles’ Bel ...

Vatican whodunit: What happened to books on marriage?

Feb 28, 2015

Vatican whodunit: What happened to books on marriage?

A whodunit is making the rounds at the Vatican. The publisher of a book on traditional Catholic marriage is crying foul, saying someone apparently swiped as many as 100 copies of the book from the Vatican mailboxes of bishops who attended a controversial meeting ...