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image: Bacterial Rejuvenation

Bacterial Rejuvenation

By Edyta Zielinska | October 27, 2011

Bacteria age, but as a lineage, can live forever.

6 Comments

image: Bird Flu Vax Spurs Virus Evolution

Bird Flu Vax Spurs Virus Evolution

By Edyta Zielinska | October 21, 2011

Inadequate poultry immunization programs may cause higher mutations rates in the bird flu virus, rendering the vaccine ineffective and increasing the threat of cross-species transmission.

6 Comments

image: <em>Wolbachia</em> Boost Stem Cell Production

Wolbachia Boost Stem Cell Production

By Jef Akst | October 20, 2011

The widespread bacteria known to manipulate host reproductive output can do so by ramping up stem cell division and consequent egg production in Drosophila.

3 Comments

image: New Genes, New Brain

New Genes, New Brain

By Cristina Luiggi | October 19, 2011

A bevy of genes known to be active during human fetal and infant development first appeared at the same time that the prefrontal cortex—the area of the brain associated with human intelligence and personality—took shape in primates.

12 Comments

image: Behavior Brief

Behavior Brief

By Jef Akst | October 17, 2011

A round-up of recent discoveries in behavior research

3 Comments

image: Cellular Origins of Giant Viruses?

Cellular Origins of Giant Viruses?

By Cristina Luiggi | October 16, 2011

The largest virus to be sequenced prompts researchers to consider whether giant viruses were once full-fledged living organisms.

3 Comments

image: Climate-Shaped <em>Arabidopsis</em> Genome

Climate-Shaped Arabidopsis Genome

By Kerry Grens | October 6, 2011

Two genome-wide studies, backed up by field experiments, identify SNPs that correlate with Arabidopsis fitness in various climates.

0 Comments

image: Immunologists Take Home Nobel

Immunologists Take Home Nobel

By Rachel Nuwer | October 3, 2011

The Nobel Assembly announced today that three researchers in the field of immunology will share the 2011 Prize in Physiology or Medicine.

45 Comments

image: Three Share 2011 Medicine Nobel

Three Share 2011 Medicine Nobel

By Rachel Nuwer | October 3, 2011

The Nobel Assembly reveals three winners of this year's prize in Physiology of Medicine.

0 Comments

image: Evolution, Tout de Suite

Evolution, Tout de Suite

By Richard P. Grant | October 1, 2011

Epigenetic perturbations could jump-start heritable variation.

9 Comments

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