The Scientist

» stem cells, evolution and microbiology

Most Recent

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

1 Comment

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.

0 Comments

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

0 Comments

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. 

0 Comments

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

1 Comment

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

0 Comments

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.

0 Comments

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.

0 Comments

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. 

0 Comments

Recolonizing middle-aged animals with bacteria from younger ones kept killifish alive longer than usual, researchers report.

0 Comments

Popular Now

  1. A Potential Remedy for the Aging Brain
    The Scientist A Potential Remedy for the Aging Brain

    In mice, injected fragments of a naturally occurring protein boost memory in young and old animals and improve cognition and mobility in a model of neurodegenerative disease. 

  2. The Sleeping Brain Can Learn
    Daily News The Sleeping Brain Can Learn

    Humans can remember new sensory information presented during REM sleep, but this ability is suppressed during deep, slow-wave slumber.

  3. USDA Emails: Don’t Use “Climate Change”
  4. Nature Index Identifies Top Contributors to Innovation
AAAS