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From fish harvests to cottonwood forests, organisms display evidence that species change can occur on timescales that can influence ecological processes.

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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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image: Developing Brains in Dishes

Developing Brains in Dishes

By | April 26, 2017

Two studies report methods to mimic human fetal brain development using neurons derived from human induced pluripotent stem cells that form 3-D, brain-like structures. 

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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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A mouse study reveals a causal link between changes in intestinal microbiota and increasing inflammation as the rodents age.

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Mice exposed to low doses of penicillin in utero or as young pups exhibited long-term behavioral differences not seen in their non-exposed counterparts, according to a study.

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image: First Clinic-Ready Stem Cell Repository

First Clinic-Ready Stem Cell Repository

By | April 6, 2017

The UK Stem Cell Bank offers several lines derived from human embryonic tissue.

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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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