In The News
Features
7
5 STORY ONE
How the turtle got its shell •
7 ATOM & COSMOS
Early cosmos allowed stellar •
companions
Extra dimensions downsized •
18 WHEN HUMOR HUMILIATES
Psychologists have identified
and are studying gelotophobia
— an extreme version of the
surprisingly common fear of
being laughed at.
By Susan Gaidos
8 BODY & BRAIN
Drug impedes progression •
toward leukemia
Another drug option for •
rheumatoid arthritis relief
Monkeys age healthier on •
fewer calories
Cursing curbs pain •
24 THE BIOFUEL FUTURE
COVER STORY: Researchers
hunting for next-generation
liquid fuels are investigating a variety of contenders to
determine whether payoffs will
exceed costs.
By Rachel Ehrenberg
12
Departments
10 GENES & CELLS
Schizophrenia genetics get •
even more complicated
Salamander cells regenerate •
limb, identity intact
2 FROM THE EDITOR
4 NOTEBOOK
30 BOOKSHELF
12 LIFE
Temperature trend produces •
smaller sheep
Bee ball asphyxiates hornets •
Duck-billed dinos’ new niche •
31 FEEDBACK
18
32 COMMENT
Eugenie Scott discusses the
importance of language choice
in the debate over teaching
evolution in public schools.
14 MATTER & ENERGY
Salt gets soft and stretchy •
Omega-b loses weight, maybe •
second from top: ArpAt ozgul;
bottom: Andrew leAkey/univ. of illinois
15 EARTH
New clue for cyclone forecasts •
Fungal filaments’ erosive role •
16 HUMANS
Toddler brains tell nouns •
from verbs
Early Peruvians gobbled maize •
COVER scientists
hope to find ways to
squeeze every last drop
out of crops, such as
this switchgrass, grown
for biofuels. Grass from
Wintergreen Hill Farm.
Photo by Cary Wolinsky
24
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