Puppies

DOGGONE CUTE  These puppies are part of the first litter of dogs (five beagles and two beagle‒cocker spaniel mixes) conceived by in vitro fertilization.

death pit

CIRCLE OF DEATH  A circular pit excavated in France (left) contains the remains of eight people probably killed in a violent attack around 6,000 years ago. Seven severed left arms lay at the bottom of the pit. A diagram of the pit discoveries denotes bones of each individual in different colors.

brain structures

SHAPING UP  Genes have a hand in shaping brain structures, a new analysis reveals. 

mantle upflow

HOT STUFF  Earth’s mantle rapidly becomes more viscous around 1,000 kilometers below ground (gray bar), new research shows. That viscosity increase could narrow and deflect the rising plumes of hot rock (yellow blobs) that fuel volcanoes on the surface.



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