phillipe caxton: Issue for the week of December 15th, 2012

Saturday, December 1, 2012

As household arrangements take new directions, scientists attempt to sort out the social effects. (p. 16)

Flat structures pop into 3-D forms, yielding miniature robots and tools. (p. 22)

A message in a bottle won?t be enough to communicate with distant generations (p. 26)

A common ancestor of people and Neandertals may have flung stone-tipped shafts at animal prey. (p. 5)

Ancient photons leave their mark in high-energy radiation from powerful galaxies. (p. 8)

Astronomers report the closest such free-floating object to Earth. (p. 8)

A new generation of cholesterol-lowering drugs might help people who can?t take the usual pills or who don?t benefit adequately from them. (p. 9)

Multivitamins may not reduce heart attacks, two drugs could protect heart from chemo damage, and more. (p. 9)

Girls, but not boys, showed later changes in brain regions that regulate emotions. (p. 10)

Activity in two regions helps calculate compatibility with potential mates. (p. 10)

Novel posture lets animal imitate sounds of human words. (p. 11)

Tiny hearing organs below insect?s knees have a structure similar to those in humans. (p. 11)

Infected pigs can transmit virus to primates without contact, a new study finds. (p. 12)

Underground rodents evolved a way to zap mutating tissue. (p. 12)

Large study examines association between protective caps at end of chromosomes and health. (p. 13)

Iceman?s origins, DNA fingerprinting, microRNAs and cancer risk, and growth genes and obesity risk. (p. 13)

Cave data suggest that ancient rainfall patterns swayed the course of Classic Maya societies. (p. 14)

A long-extinct member of the human evolutionary family had an uncommon taste for grasses and sedges. (p. 14)

Review by Sid Perkins (p. 30)

Review by Alexandra Witze (p. 30)

(p. 30)

(p. 4)

(p. 31)

Fly guy (p. 32)

phillipe caxton