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Tuesday, February 24, 2015

Science Magazine

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RECENT HIGHLIGHTS

ATMOSPHERIC SCIENCEArctic impact
Is the melting Arctic really bringing frigid winters to North America and Eurasia? Scientists struggle to piece together an atmospheric puzzle.
MATERIALS SCIENCEValency and bonding on a larger scale
For over half a century, the biological roles of nucleic acids as catalytic enzymes, intracellular regulatory molecules, and the carriers of genetic information have been studied extensively. 
COMPUTERSA network approach to finding disease modules
Incomplete networks of protein-protein interactions help explain disease relationships, even in the absence of shared genes.
BIOCHEMISTRYThe dark side of melanin exposed
Melanin, a pigment thought to protect against skin cancer, contributes to DNA damage occurring after ultraviolet exposure. [Also see Perspective by Taylor]
EVOLUTIONGetting bigger all the time
Diversification produced a 150-fold increase in the mean size of marine animals over the past 542 million years.
 
WEEKLY PODCAST
On this week's show: Maternal effects in songbirds, and a roundup of daily news stories. 
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Vanishing fauna

In this special issue, the worldwide decline of animals and what we humans can do about it.
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Slicing the wheat genome

In this special issue, breaking bread with the wheat genome.
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Strategies against HIV/AIDS

In this special issue, Australia leads the way to HIV reduction amongst its neighbors.
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The gas surge

In this special issue, fracking has ignited an energy revolution, with still-uncertain consequences for climate and the environment.
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Rethinking the global supply chain

In this special issue, how traceability, measurement, and standardization might tame an unwieldy web
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The science of inequality

In this special issue, using fresh waves of data to explore the origins, impact, and future of inequality around the world.

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