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image: Do Pathogens Gain Virulence as Hosts Become More Resistant?

Do Pathogens Gain Virulence as Hosts Become More Resistant?

By | October 1, 2017

Emerging infections provide clues about how pathogens might evolve when farm animals are protected from infection.

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image: Infographic: Evolving Virulence

Infographic: Evolving Virulence

By | October 1, 2017

Tracking the myxoma virus in the wild rabbit populations of Australia has yielded insight into how pathogens and their hosts evolve.

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image: In Canada, Signs of Life Nearly 4 Billion Years Old

In Canada, Signs of Life Nearly 4 Billion Years Old

By | September 28, 2017

Embedded within 3.95-billion-year-old rock, scientists have found graphite with a carbon signature that indicates biological activity.

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image: Coastal Critters Make Epic Voyages After 2011 Tsunami

Coastal Critters Make Epic Voyages After 2011 Tsunami

By | September 28, 2017

Marine species survived rafting thousands of kilometers on debris swept into the water by the giant wave, scientists say.

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image: Pigeons Can Switch Tasks More Quickly than Humans

Pigeons Can Switch Tasks More Quickly than Humans

By | September 27, 2017

The birds’ ability to multitask may be attributable to a more densely packed cerebral cortex, scientists propose.

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image: The Caterpillar that Cries Wolf

The Caterpillar that Cries Wolf

By | September 22, 2017

In a case of acoustic deception, caterpillars mimic bird alarm calls to defend themselves.

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image: Sexual Touch Promotes Early Puberty

Sexual Touch Promotes Early Puberty

By | September 21, 2017

The brains and bodies of young female rats can be accelerated into puberty by the presence of an older male or by stimulation of the genitals.

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image: How Poison Frogs Avoid Poisoning Themselves

How Poison Frogs Avoid Poisoning Themselves

By | September 21, 2017

Amphibians resist their own chemical defenses with amino acid modifications in the sequence for a target receptor.

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image: Mars Simulation Concludes

Mars Simulation Concludes

By | September 18, 2017

Researchers in a psychology experiment emerge from eight months of isolation in a dome atop a Hawaiian mountaintop.

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image: Second Chance for Lost Galapagos Tortoises?

Second Chance for Lost Galapagos Tortoises?

By | September 14, 2017

Researchers are trying to recreate an extinct species of the lumbering reptiles by breeding closely related species that contain traces of the lost lineage’s DNA.

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