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Guppies transplanted between different communities in Trinidadian streams evolved in response to changes in predation threat in just a few generations.

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image: Cell Lines Gain Cancer-Related Mutations

Cell Lines Gain Cancer-Related Mutations

By | April 27, 2017

A screen of human embryonic stem cell lines finds several that accumulated changes in the gene TP53, including aberrations commonly seen in cancer.

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By analyzing the genomes of 161 dog breeds, scientists discover how and when certain canine breeds emerged.

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The state’s board of education approves new standards that ease up on having students dig into scientific issues relevant to “intelligent design” arguments.

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image: Migratory Eels Use Magnetoreception

Migratory Eels Use Magnetoreception

By | April 14, 2017

In laboratory experiments that simulated oceanic conditions, the fish responded to magnetic fields, a sensory input that may aid migration.

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image: CRISPR-Based Nucleic Acid Test Debuts

CRISPR-Based Nucleic Acid Test Debuts

By | April 13, 2017

SHERLOCK combines CRISPR-Cas13a with isothermal RNA amplification to detect RNA and DNA with single-base specificity.

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image: New Giant Virus Group Reported

New Giant Virus Group Reported

By | April 6, 2017

A genomic analysis of “Klosneuviruses” suggests that they evolved from small viruses that accumulated genetic material over time, but not all virologists are convinced. 

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image: Study: Diet Contributes to Brain Size

Study: Diet Contributes to Brain Size

By | March 30, 2017

The results of a historical primate behavior analysis suggest that species with fruit-filled diets evolved larger brains.

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image: Dinosaur Phylogenetic Tree Shake-Up

Dinosaur Phylogenetic Tree Shake-Up

By | March 24, 2017

An analysis of 74 dinosaur species leads a group of researchers to reorganize the extinct animals’ evolutionary history.

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image: DNA Replication Errors Contribute to Cancer Risk

DNA Replication Errors Contribute to Cancer Risk

By | March 23, 2017

A follow-up study confirms that random mutations acquired during normal stem cell division likely play a major role in cancer incidence.

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