In The News
Features
8
5 STORY ONE
s Antidepressants may help
battle Alzheimer’s
8 ATOM & COSMOS
s Magnetic wiggles superheat
the sun’s outer atmosphere
s Hints of salt water on Mars
s Neutrino shape-shifting
s Camera to spot dark energy
s A theory of antigravity
18 FLYING ON SUNSHINE
Romantic dreams are coming
true as solar sails skip through
space on sunbeams.
By Alexandra Witze
22 HELPING BATS HOLD ON
COVER STORY: The future looks
bleak for North American bat
species devastated by white-nose syndrome.
By Janet Raloff
10 TECHNOLOGY
s Stick-on electronic tattoos
connect skin to circuitry
s Brains brake faster than feet
14
26 BYPASS’S BIG BOON
Touted as a top way to take
off the pounds, gastric bypass
surgery also can reverse type 2
diabetes.
By Nathan Seppa
12 GENES & CELLS
s ADHD linked to gene variants
found in autism, schizophrenia
s Amoebas traversing maze
leave their own bread crumbs
Departments
2 FROM THE EDITOR
4 NOTEBOOK
13 ENVIRONMENT
s Cracked sewers leak into
water supplies
s Bacteria ate BP oil, didn’t grow
30 BOOKSHELF
31 FEEDBACK
14 LIFE
s Ancient giant sea reptile gave
birth to live young
s Wasp helpers may be aiming
for queen’s throne
s Rules of a plant biomarket
s Fruity smell attracts pitcher
plant’s victims
s Leaves beckon to bats
32 FROM THE ARCHIVE
Einstein invents fridges,
cameras and clothing.
18
26
16 BODY & BRAIN
s Herpesvirus sneaks up nose
to reach brain
s Sleep apnea may foretell
dementia in the elderly
www.sciencenews.org
September 10, 2011 | SCIENCE NEWS | 1