SN Online

SN Online

By Science News

SCIENCE & THE PUBLIC BLOG
Space junk is lasting longer, making cleanup more urgent. See “Growing need for space trash collectors.”

HUMANS
A 2,000-year-old human skull shows signs of having undergone surgery. Read “Ancient Saharan head cases.”

Instant messaging can’t replace the soothing sound of Mom’s voice. See “Moms talk, daughters’ hormones listen.”

GENES & CELLS

Breaking bonds between protein buddies may help prevent Parkinson’s. Learn more in “ Parkinson’s protein comes in fours .”

A version of this article appears in the September 10, 2011 issue of Science News.

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