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The genomes of two species of water bears reveal clues about how they persist in extreme conditions, yet don’t resolve the animals’ debated evolutionary story.

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image: Arthropods Abundant in American Homes

Arthropods Abundant in American Homes

By | January 21, 2016

The average US household contains 62 distinct families of arthropod species, according to an entomological census.

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image: To Retain a Brain

To Retain a Brain

By | January 1, 2016

Exceptional neural fossil preservation helps answer questions about ancient arthropod evolution.

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image: Mining the Mite-ochondrial Genome

Mining the Mite-ochondrial Genome

By | December 14, 2015

Phylogenetic analysis of DNA isolated from human hair follicle–dwelling mites shows that different lineages of the arthropods are associated with hosts with different regional ancestries.

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image: The Rise of Heads

The Rise of Heads

By | May 11, 2015

A 500 million-year-old brain fossil yields clues to the evolution of heads.

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image: Genetic Data Clarify Insect Evolution

Genetic Data Clarify Insect Evolution

By | November 6, 2014

Researchers create a phylogenetic tree of insects by comparing the sequences of 1,478 protein-coding genes among species.

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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: Do Crustaceans Feel Pain?

Do Crustaceans Feel Pain?

By | August 9, 2013

An animal behavior professor argues that crabs and lobsters respond to electrical shocks in a way that suggests discomfort.

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