Aug 14, 2014

Injecting bacteria shrinks tumors in experiment

Common soil bacteria that were injected into solid cancers in dogs and one human shrank many of the tumors, scientists reported on Wednesday. The preliminary findings offer hope that the experimental treatment could turn out to be more effective than existing cancer therapies for ...

Aug 13, 2014

FDA approves first DNA-based test for colon cancer

The U.S. Food and Drug Administration on Monday approved the first screening test for colon cancer that uses patients’ DNA to help spot potentially deadly tumors and growths. The Cologuard test from Exact Sciences detects irregular mutations in stool samples that can be an ...

Jul 18, 2014

Wheat's genome is unveiled

As far as agricultural genome research goes, this may be the best thing since sliced bread — wheat bread, that is. An international team of scientists Thursday unveiled a genetic blueprint of wheat in an accomplishment that may help guide the breeding of varieties ...

The long march of 'biofortified' GM foods

Jul 11, 2014

The long march of 'biofortified' GM foods

In 1992, a pair of scientists had a brain wave: How about inserting genes into rice that would boost its vitamin A content? By doing so, tens of millions of poor people who depend on rice as a staple could get a vital nutrient, ...

Jul 3, 2014

Frozen testicle tissue yields healthy baby mice

Sperm grown from the frozen testicle tissue of newborn mice has been used to produce healthy offspring, in a hopeful development for men left infertile by childhood cancer treatment, researchers say. In a process called spermatogenesis, the sperm was grown in a lab from ...

Protocol breaches 'led to Anthrax exposure'

Jun 22, 2014

Protocol breaches 'led to Anthrax exposure'

The safety breach at a government lab that may have exposed 84 workers to live anthrax centered on a pivotal lapse in procedure: researchers working with the bacteria waited 24 hours to be sure they had killed the pathogens, half the time required by ...

German museum grows, displays 'living' van Gogh ear

Jun 6, 2014

German museum grows, displays 'living' van Gogh ear

An artist has created a partly living replica of Vincent van Gogh’s famously severed ear, a German museum said. Diemut Strebe, who is known for working with biological material, collaborated with scientists to reconstruct the painter’s ear using 3-D printers and authentic living material ...

May 11, 2014

Biologists invent new DNA letters for life's alphabet

Scientists have taken the first steps toward writing the blueprint of life in an alphabet unknown to nature, they have reported in the journal Nature. Until now, biologists who synthesize DNA in the lab have used the same molecules — called bases — that ...