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image: The Ultimate Wingman

The Ultimate Wingman

By | November 1, 2013

Differential gene expression between dominant and subordinate male turkeys could help evolutionary biologists deconstruct the roots of sexual dimorphism.

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image: Penetrating the Brain

Penetrating the Brain

By | November 1, 2013

Researchers use molecular keys, chisels, and crowbars to open the last great biochemical barricade in the body—the blood-brain barrier.


image: Gravity Determines Cell Size

Gravity Determines Cell Size

By | October 29, 2013

Researchers show that cells may have evolved to be small because of gravitational forces.

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image: Evolving Pain Resistance

Evolving Pain Resistance

By | October 24, 2013

Grasshopper mice harbor mutations in a pain-transmitting sodium channel that allow them to prey on highly toxic bark scorpions.


image: Ancient Bee Die Out

Ancient Bee Die Out

By | October 24, 2013

Researchers show that one group of bees likely suffered a mass extinction about 65 million years ago.

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image: Confirmed Venomous Crustacean

Confirmed Venomous Crustacean

By | October 22, 2013

Researchers show that a cave-dwelling crustacean may use venom to immobilize and digest its prey.

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image: FDA Considers Three-Parent IVF

FDA Considers Three-Parent IVF

By | October 17, 2013

The US regulatory agency will meet next week to discuss whether to allow human trials of a technique that combines the genetic information of three adults.


image: Fossilized Mosquito Blood Meal

Fossilized Mosquito Blood Meal

By | October 14, 2013

Researchers have discovered a 46-million-year-old female mosquito containing the remnants of the insect’s final blood meal.

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image: Fighting Viruses with RNAi

Fighting Viruses with RNAi

By | October 10, 2013

The long-debated issue of whether mammals can use RNA interference as an antiviral defense mechanism is finally put to rest.


image: Mislabeled Microbes Cause Two Retractions

Mislabeled Microbes Cause Two Retractions

By | October 10, 2013

Two papers on plant immunity have been retracted, and questions remain about others with similar results. 


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