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image: Polar Bear More Ancient Than Realized

Polar Bear More Ancient Than Realized

By | April 20, 2012

A genetic analysis reveals that the polar bear split from the brown bear some 600,000 years ago.


Synthetic Genetic Evolution

By | April 19, 2012

Scientists show that manmade nucleic acids can replicate and evolve, ushering in a new era in synthetic biology.


image: Anti-science in Tennessee Classrooms

Anti-science in Tennessee Classrooms

By | April 12, 2012

A new law opens the door to teaching creationism and climate change denialism in the state's public schools.


image: Social Rank Affects Monkey Immunity

Social Rank Affects Monkey Immunity

By | April 11, 2012

In rhesus macaques, an individual's drop in the social hierarchy leads to overactive immune genes and, possibly, poor health.


image: Insect Battles, Big and Small

Insect Battles, Big and Small

By | April 10, 2012

Social insect soldiers not only protect the colony from insect invasions; some also secrete strong antifungal compounds to kill microscopic enemies.


image: Malaria Drug Resistance Spreading

Malaria Drug Resistance Spreading

By | April 9, 2012

A genomic analysis reveals a crucial detail in drug-resistant strains of the malaria parasite that are on the move in Southeast Asia.


image: Cretaceous Easter Eggs

Cretaceous Easter Eggs

By | April 9, 2012

Researchers discover a 70-million-year-old egg that belonged to a small, bird-like meat-eating dinosaur.


image: The Science of Van Gogh

The Science of Van Gogh

By | April 5, 2012

The Dutch artist's sunflower paintings have attracted the attention of doctors and geneticists.


image: Bird Flu Mutations Revealed

Bird Flu Mutations Revealed

By | April 5, 2012

One of the researchers who created a highly transmissible form of the bird flu virus has broken his silence and shared which mutations made it possible.


image: Ants Share Pathogens for Immunity

Ants Share Pathogens for Immunity

By | April 3, 2012

A new study shows that grooming by ants promotes colony-wide resistance to fungal infections by transferring small amounts of pathogen to nestmates.



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