The Scientist

» stem cells, ecology and evolution

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image: Stricter Stem Cell Guidelines Sought

Stricter Stem Cell Guidelines Sought

By | July 25, 2013

A new working group is seeking to define rigorous standards for the study of mesenchymal stem cells.


image: A Wild Stem Cell Chase

A Wild Stem Cell Chase

By | July 24, 2013

A rigorous new study provides strong evidence that very small embryonic-like stem cells hypothesized to be found in mice and humans do not exist.

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image: Keeping Up with Climate Change

Keeping Up with Climate Change

By | July 24, 2013

In order to adapt to this century’s changing temperatures, vertebrates will need to evolve much faster than in previous eras.


image: Dolphins by Name

Dolphins by Name

By | July 23, 2013

Bottlenose dolphins can recognize and respond to their own “signature whistles,” strengthening the evidence that these whistles function like names.


image: A Big-Nosed Horn-Faced Dino

A Big-Nosed Horn-Faced Dino

By | July 18, 2013

The discovery of a new species of horned dinosaur supports the idea that similar but separate species evolved on the same landmass thanks to a natural barrier.  

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image: Italian Stem Cell Controversy

Italian Stem Cell Controversy

By | July 16, 2013

Italian government officials and scientists clashed last week with a controversial stem cell researcher over details of an upcoming clinical trial.


image: Gene Therapy Coming of Age?

Gene Therapy Coming of Age?

By | July 11, 2013

Using lentiviral vectors to replace mutated genes in blood stem cells, scientists successfully treat two rare diseases apparently without causing harmful side effects.


image: Girl with Synthetic Trachea Dies

Girl with Synthetic Trachea Dies

By | July 9, 2013

After receiving a bioengineered windpipe, which was seeded with her own stem cells, the 2-year-old has succumbed to complications from a recent surgery.


image: Stem-Cell Heart Repair Questioned

Stem-Cell Heart Repair Questioned

By | July 8, 2013

A new analysis finds hundreds of discrepancies in publications from a German researcher who claims to have repaired diseased hearts using stem-cell therapy.  


image: Week in Review, July 1–5

Week in Review, July 1–5

By | July 5, 2013

Fraudulent journal editor?; fat cells detect temp, generate heat; the importance of social media in science communication; functional livers from iPSCs; antibiotics damage mitochondria


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