10
14
16
22
5 STORY ONE
s s Identifying another branch in
theshominidsfamilystree
8 lifE
s s Analyzing an elephant’s gait
s s Amphibious insects
9 bOd Y & bRaiN
s s Sunlight alone may deter MS
s s To tell identical twins apart,
checksgutsbacteria
10 a TOm & cOSmOS
s s LHC sets energy record
s s Gamma-ray clues to cosmic
magnetism
11 EaRTh
s s Oceans helped young planet
stayswarmsundersfaintssun
12 mOlEculES
s s Alternative flame retardants
foundsinsfalconseggss
s s Chemistry’s take on wine
corkssandscaps
s s Darker coffee tamer on tummy
s s Walnuts may aid in prostate
cancersfight
14 TEchNOlOgY
s s RFID tags could make bar
codessobsolete
s s Cheaper catalytic converters
15 ma TTER & ENERg Y
s s Elemental breakthrough 117
s s Dusty spectroscopy
16 gENES & cEllS
s s Tuning in to first songbird
genome
18 a fRESh lOOk a T
mOuNT ST. hElENS
COVER STORY: Thirty years after
asdevastatingseruption,snatives
speciessgraduallysreclaimsthes
flankssofsthesvolcano.
By Sid Perkins
22 caN YOu hEaR mE NOw?
After five decades of searching
withoutssuccess,salienshunterss
reevaluatestheirsapproachsands
seeksoutsnewsmodessofsextra-terrestrialsinteraction.
By Elizabeth Quill
26 gambliNg ON ExpERiENcE
Scientists are showing that
experiencesmaysshapesbehaviors
andsdecisionssaboutsriskssinspre-viouslysunderappreciatedsways.
By Bruce Bower
Departments
2 fROm ThE Edi TOR
4 NOTEbOOk
30 bOOkShElf
31 fEEdback
32 cOmmENT
Psychologist Gary Klein
discussessintuitionsandsgoods
decisionsmaking.s