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In The News
5 STORY ONE
s WikiLeaks data can predict
Afghanistan violence
8 ATOM & COSMOS
s Lunar swirls straightened out
s Fifth moon for Pluto
s Dark matter strand mapped
s Earliest stars may be visible
to future radio telescopes
10 BODY & BRAIN
s Protein is potential target for
lung cancer treatment
s Brains can get addicted to pain
s Amnesia tied to mental clutter
s Understanding brain reshuffle
may help deaf people
s Anti-Alzheimer’s mutation
found
s Supporting player implicated
in Lou Gehrig’s disease
12 LIFE
s Insulin fertilizes outsized
animal ornaments
s Fruit flies eat their own
s Biological compasses found
14 ENVIRONMENT
s Bad weather tied to warming
15 HUMANS
s More evidence that the Maya
didn’t consider 2012 special
s Different spearpoint style
suggests multiple migrations
to North America
16 GENES & CELLS
s Worms age more slowly in
space
s Bananas bear genetic fruit
Features
18 THE BRAIN SET FREE
COVER STORY: Scientists
identify ways to make neuronal
connections more malleable,
reinstating youthful flexibility.
By Laura Sanders
22 CARTILAGE CREATION
New joint tissue from stem
cells could be the answer to
osteoarthritis.
By Nathan Seppa
26 HEAT BEATERS
Enzymes that operate at high
temperatures are in high
demand.
By Rebecca Cheung
Departments
2 FROM THE EDITOR
4 NOTEBOOK
30 BOOKSHELF
31 FEEDBACK
32 PEOPLE
Bugs, birds and lizards are
the superheroes of Rosemary
Mosco’s comics.
