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Hurdles remain after stem cell advance
Nov 21 2007 5:29PM (CT)
NEW YORK (AP) - For all the excitement, big questions remain about how to turn this week's stem cell breakthrough into new treatments for the sick. And it's not clear when they'll be answered.
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Scientists find fossil of enormous bug
Nov 21 2007 7:54AM (CT)
LONDON (AP) - This was a bug you couldn't swat and definitely couldn't step on. British scientists have stumbled across a fossilized claw, part of an ancient sea scorpion, that is of such large proportion it would make the entire creature the biggest bug ever.
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