Fluorescent peptides help nerves glow in surgery

Accidental damage to thin or buried nerves during surgery can have severe consequences, from chronic pain to permanent paralysis. Scientists at the University of California, San Diego School of Medicine may have found a remedy: ...

Old dog, new tricks: Study IDs 9,400-year-old mutt

Nearly 10,000 years ago, man's best friend provided protection and companionship - and an occasional meal. That's what researchers are saying after finding a bone fragment from what they are calling the earliest confirmed ...

Rainforest collapse drove reptile evolution

(PhysOrg.com) -- Global warming devastated tropical rainforests 300 million years ago. Now scientists report the unexpected discovery that this event triggered an evolutionary burst among reptiles -- and inadvertently paved ...

Embryonic stem cell culturing grows from art to science

(PhysOrg.com) -- Growing human embryonic stem cells in the lab is no small feat. Culturing the finicky, shape-shifting cells is labor intensive and, in some ways, more art than exact science.

Calif. utility stumbles on 1.4M years old fossils

(AP) -- A utility company preparing to build a new substation in an arid canyon southeast of Los Angeles has stumbled on a trove of animal fossils dating back 1.4 million years that researchers say will fill in blanks in ...

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