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AstronomyFlare-Up: Comet Holmes’ surprise bloom
Comet 17P/Holmes abruptly brightened last month, blossoming into a naked eye object.
By Ron Cowen -
Crime Growth: Early mental ills fuel young-adult offending
Mental disorders in children can lead to criminal behavior in adulthood.
By Bruce Bower -
PaleontologyHuge, yet not quite life-size
The Carnegie Museum of Natural History in Pittsburgh will unveil the world's largest dinosaur mural on Nov. 21, when its dinosaur halls reopen after a 30-month, $36 million renovation.
By Sid Perkins -
PlantsTough Frills: Ferns’ wimp stage aces survival test
A supposedly fragile stage in the life of ferns shows surprising toughness.