PCR, cell & molecular biology
Remaking Nature
Remaking Nature
Kent H. Redford | Aug 1, 2013
Synthetic biologists need to work together with conservationists to understand the environmental consequences of this new technology.
Smoke Detectors
Smoke Detectors
Kate Yandell | Aug 1, 2013
Ancient receptors in seeds bind a small molecule in smoke that promotes germination.
Week in Review, July 22–26
Week in Review, July 22–26
Jef Akst | Jul 26, 2013
Faux stem cells; X chromosome involved in sperm production; rewarding peer review; clues to flatworm regeneration; an ethereal glow signals death
A Wild Stem Cell Chase
A Wild Stem Cell Chase
Signe Cane | Jul 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.
Dying Worms Emit Ethereal Glow
Dying Worms Emit Ethereal Glow
Ruth Williams | Jul 24, 2013
A head-to-tail wave of blue fluorescence signals the death of a nematode worm.
Gene Therapy Coming of Age?
Gene Therapy Coming of Age?
Dan Cossins | Jul 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.
The Downside of Antibiotics?
The Downside of Antibiotics?
Ruth Williams | Jul 3, 2013
Bacteria-killing antibiotics might also damage a person’s tissues.
Temperature-Sensing Fat Cells
Temperature-Sensing Fat Cells
Dan Cossins | Jul 1, 2013
Researchers discover that unlike brown fat cells, white fat cells can directly sense cooling temperatures to switch on genes that control heat production.
Father of Crystallography Dies
Father of Crystallography Dies
Jeffrey Denoncourt | Jun 17, 2013
Nobel Laureate Jerome Karle has passed away at age 94.
Platelets Help Tackle Bacteria
Platelets Help Tackle Bacteria
Sabrina Richards | Jun 16, 2013
The cell fragments play a role in the body’s first line of defense against bacterial infection, helping white blood cells grab blood-borne bacteria in the liver.