News & Opinion
Top 10 Innovations
Cell & Molecular Biology
Disease & Medicine
Ecology & Environment
Genetics & Genomics
Pharma & Biotech
Image of the Day
Merino Sheep Provide Clue to Curly Hair
Catherine Offord | Mar 23, 2018
The cells on one side of each wool fiber are longer than the cells on the other, researchers find.
The Breeds of Guard Dogs that Best Protect Livestock: Study
Jim Daley | Mar 12, 2018
Preliminary results from a USDA study reveal that imported guard dogs outperform those traditionally used in the U.S. to fend off wolves and coyotes.
Dolly’s Cloning Likely Didn’t Cause Premature Aging
Katarina Zimmer | Nov 24, 2017
A new analysis of Dolly’s skeleton suggests the cloned sheep’s arthritis did not lead to her death.
Study: Cloned Sheep Age Normally
Tanya Lewis | Jul 26, 2016
The animals, some of which were cloned from the same tissue as Dolly, appeared as healthy as non-cloned sheep, a study suggests.
Tracy Vence | Jun 11, 2014
What researchers are learning as they sequence, map, and decode species’ genomes
Cloning Biologist Dies
Edyta Zielinska | Oct 12, 2012
Keith Campbell, a biologist who was part of the effort to clone Dolly the sheep, has passed away at the age of 58.
Hayley Dunning | Aug 7, 2012
Swiss scientists create a collar for sheep that detects when they're stressed by wolves, and sends a text message to their shepherd.
Building a Better Sheep
Bob Grant | Apr 25, 2012
Chinese scientists claim to have cloned a lamb carrying a roundworm gene that aids in the production of polyunsaturated fatty acids.
New Herd Virus Haunts Europe
Hannah Waters | Jan 17, 2012
Researchers are working speedily to find a cure for a new virus that causes birth defects and stillbirth in cows, sheep, and goats.