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image: Modeling the Cell

Modeling the Cell

By | July 23, 2012

The first full computer model of a single-celled organism mimics the bacterium’s behaviors and paves the way to more complete disease models.


image: The Polar Bear’s Prehistoric Past

The Polar Bear’s Prehistoric Past

By | July 23, 2012

Genomic analyses reveal that the polar bear evolved between 4 and 5 million years ago, far earlier than previous studies had estimated.


image: One Million Genomic Datasets

One Million Genomic Datasets

By | July 23, 2012

Publicly accessible databases now store nearly 1 million gene-expression datasets, giving researchers a robust resource for discovery.


image: Sex Drives Chromosome Evolution

Sex Drives Chromosome Evolution

By | July 19, 2012

A relatively new pair of sex chromosomes in the fruit fly allows researchers to track their evolution from the beginning.


image: Mosquito Gut Bacteria to Fight Malaria

Mosquito Gut Bacteria to Fight Malaria

By | July 17, 2012

Researchers engineer a member of the insect's intestinal flora to help thwart the malaria parasite before it can infect new hosts.


image: Early Epigenetic Influence

Early Epigenetic Influence

By | July 16, 2012

Random chance, plus small differences in uterine environments, give rise to divergent epigenetic patterns in identical twins.


image: Flies Evolve to Count

Flies Evolve to Count

By | July 12, 2012

Researchers breed fruit flies that, after 40 generations of conditioning, have acquired the ability to react to numbers.


image: Small-Brained Fish Make More Babies

Small-Brained Fish Make More Babies

By | July 12, 2012

Guppies with experimentally shrunken brains produced more offspring than guppies bred for larger noggins, confirming a long suspected tradeoff of bigger brains.


image: Genetic Shift in Salmon

Genetic Shift in Salmon

By | July 12, 2012

A new study finds that an Alaskan population of the fish has quickly evolved in response to warming temperatures.

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image: Scorpion Venom Kills MRSA

Scorpion Venom Kills MRSA

By | July 12, 2012

Peptides extracted from scorpion venom fights off drug-resistant bacterial infections in mice.


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