14
17
22
28
5 STORY ONE
s s Hominids hiked early to
northernsEurope
7 ma TTER & ENERg Y
s s Shrunken proton gives
physicistssbigsheadache
s s Turbulence math gets simpler
8 humaNS
s s Botox can inhibit more than
wrinkles
s s When home team wins,
incumbentssgain
9 NumbERS
s s Computers combat exploding
manholes
10 gENES & cEllS
s s Glitch in centenarian genetics
s s Blood may provide better
sourcesofsstemscells
s s RNA battles addiction
12 bOd Y & bRaiN
s s Marburg vaccine passes
monkeystests
s s Fish oil fights breast cancer
s s Better antibodies to HIV
14 ENviRONmENT
s s Dust out of Africa
s s Warming could release
methanesfromsarcticsseabeds
15 a TOm & cOSmOS
s s Planck’s new view of cosmos
16 lifE
s s Sabertooth strong-arming
s s Early date for multicellular life
s s Whales: the ancient macro-
predators
Features
18 bENEaTh ThaT blaziNg
facadE
COVER STORY: A closer look at
thessunssuggestssthatsscientistss
havesbeensinsthesdarksaboutsthes
abundancessofselementssinsthes
solarsinterior.
By Alexandra Witze
22 Na TuRE’S REcOuRSE
Skulduggery is rampant in
nature,sbutscheatedspartnerss
haveswaysstosretaliate.
By Susan Milius
28 ThE iNcREdiblE ShRiNkiNg
SOlaR cEll
Reducing photovoltaics to the
sizesofslintscouldsbringsflexibles
solarspowerstoscarsroofs,slaptops
computerscases,sevensclothing.s
By Janet Raloff
Departments
2 fROm ThE Edi TOR
4 NOTEbOOk
30 bOOkShElf
31 fEEdback
32 cOmmENT
Chemist and college president
DavidsOxtobysdiscussesshows
campusessgrappleswithsgoings
green.