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image: How, If, and Why Species Form

How, If, and Why Species Form

By , and | November 1, 2013

Biologists have struggled for centuries to properly define what constitutes a “species.” They may have been asking the wrong question—many smaller organisms might not form species at all.

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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: 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: Carp Breed in Great Lakes Watershed

Carp Breed in Great Lakes Watershed

By | October 29, 2013

New evidence indicates that invasive Asian carp have bred in the Lake Erie basin.

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image: EU Reels in Subsidies for Ocean Fisheries

EU Reels in Subsidies for Ocean Fisheries

By | October 25, 2013

The European Parliament rejected a proposal designed to fund the construction of new fishing boats, instead opting to fund a project that aims to curtail overfishing.

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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.

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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: 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: More Evidence MERS Came from Bats

More Evidence MERS Came from Bats

By | October 10, 2013

Genomic analysis suggests that the Middle East respiratory syndrome coronavirus circulated among bats for a while before jumping to humans.  

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