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Biotech

How a Key Enzyme Repairs Sun-Damaged DNA 97

BraveHeart writes "Researchers have long known that mammals, including humans, lack a key enzyme — one possessed by most of the animal kingdom and even plants — that reverses severe sun damage. For the first time, researchers have witnessed how this enzyme works at the atomic level to repair sun-damaged DNA. 'Normal sunscreen lotions convert UV light to heat, or reflect it away from our skin. A sunscreen containing photolyase could potentially heal some of the damage from UV rays that get through.'"

Comment Re:Blah (Score 1) 269

Yeah, but the intention definitely matters. The adult photographer is clearly trying to get photographs of strange children, whereas Google is trying to build a useful service. I'd say Google's use is a lot less creepy than the strange guy.

Here's a car analogy: If you cut me off because you're rushing your pregnant wife to the hospital through dense traffic, I don't mind. But if you cut me off because you're talking on your cell phone and not paying attention, we have a problem.

Comment Re:Play time? (Score 1) 571

Right, and how do we teach social conventions like underlining to a nine-year-old? Maybe some kind of scheme where we quantitatively judge work based on some criteria, like how well the convention was understood...

It's not like grades are important at that age either. At least here in Canada, grades don't count for anything unless you're in the last few years of high school and applying to a university. And yes, the university will care about proper underlining :)

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