hESCs, ecology, developmental biology
Women Receive Lab-Grown Vaginas
Women Receive Lab-Grown Vaginas
Jef Akst | Apr 14, 2014
Doctors implant custom-made organs, built from a tissue sample and a biodegradable scaffold, into four female patients born with underdeveloped or missing vaginas.
Mapping Gene Expression in the Fetal Brain
Mapping Gene Expression in the Fetal Brain
Kate Yandell | Apr 2, 2014
Researchers complete an atlas depicting gene expression across the developing human brain.
Capsule Reviews
Capsule Reviews
Bob Grant | Apr 1, 2014
Cancer Virus, A Window on Eternity, Murderous Minds, and The Extreme Life of the Sea
Birth Defects Marked End of Mammoths
Birth Defects Marked End of Mammoths
Bob Grant | Mar 26, 2014
New research suggests that the wooly beasts may have succumbed to a shrinking gene pool or intense environmental pressures as their species went extinct.
Python Auto-Pilot
Python Auto-Pilot
Rina Shaikh-Lesko | Mar 21, 2014
Invasive snakes in Florida show evidence of a compass sense they use to navigate back to home territory.
<em>BRCA1</em> Linked to Brain Size
BRCA1 Linked to Brain Size
Rina Shaikh-Lesko | Mar 20, 2014
The breast cancer-associated gene may play a protective role in neural stem cells, a mouse study finds.
Old-School Fish Guides
Old-School Fish Guides
Rina Shaikh-Lesko | Mar 18, 2014
Experienced fish may be critical for keeping migrating populations on track, a study finds.
Ancient Moss Reincarnated
Ancient Moss Reincarnated
Jef Akst | Mar 18, 2014
Antarctic moss beds that have been frozen for more than 1,500 years yield plants that can be brought back to life in the lab.
A Twist of Fate
A Twist of Fate
Jonathan Slack | Mar 1, 2014
Once believed to be irrevocably differentiated, mature cells are now proving to be flexible, able to switch identities with relatively simple manipulation.
Northern Exposure
Northern Exposure
Jef Akst | Mar 1, 2014
Researchers are using snowdrifts to artificially warm Arctic tundra during winter and finding that more carbon is released from the soil than plants can soak up from the atmosphere.