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In The News
5 STORY ONE
s How to pick a prime asteroid
8 LIFE
s Splitting killer whales into
multiple species
s An ape view of death
s Dino teen angst, molting
feathers and all
10 ENVIRONMENT
s Choosing the right tuna to
limit mercury exposure
s Documenting falling forests
11 MATTER & ENERGY
s Feeling the teensiest force
12 HUMANS
s Dreaming about a task may
improve performance
s Honey, I shrunk my speech
13 ATOM & COSMOS
s Observatory has front-row
seat at solar eruption
s Hubble anniversary image
rivals Pillars of Creation
14 GENES & CELLS
s Twin study finds no genetic
trigger for multiple sclerosis
s Newly deciphered frog
genome may reveal why it’s
not easy being green
15 BODY & BRAIN
s Spotting breast cancer earlier
s Two factors linked to
colorectal cancer risk
s Customized treatment may
aid lung cancer patients
Features
16 DESTINATION BRAIN
Tiny inhaled motes can travel
beyond the lungs; new research
suggests these particles may
ravage the brain.
By Janet Raloff
22 PHYSICS ON THE EDGE
New materials known as
topological insulators display
unusual surface effects — shuttling electrons in a way that
hints at novel applications.
By Alexandra Witze
26 I, MOLD
COVER STORY: Understanding
what turns a fungus from pal
to pathogen may suggest ways to
battle a foe that, on a cellular
level, is a lot like people.
By Laura Beil
Departments
2 FROM THE EDITOR
4 NOTEBOOK
30 BOOKSHELF
31 FEEDBACK
32 COMMENT
S. James Gates Jr. tackles the
status of science education in
the United States.
