Science

DNA repair research nets chemistry Nobel for 3 scientists
The work of Tomas Lindahl, Paul Modrich and Aziz Sancar details how cells repair damaged DNA and preserve genes.
Physics Nobel awarded for work on neutrinos' metamorphosis
Takaaki Kajita of Japan and Arthur B. McDonald of Canada both found that neutrinos shift identities like chameleons in space.
Farmer finds woolly mammoth bones in Michigan field
A Michigan farmer unearthed the skeleton of a woolly mammoth in his soybean field. Mammoths were common in North America before they disappeared around 11,000 years ago.
The Mars double attack
There is much excitement around finding liquid water on Mars. And, though high salinity is not good for life, we will only know if it exists there if we look, says astrophysicist Marcelo Gleiser.
Water on Mars: How the discovery reshapes exploration of the planet
One of the men leading the search for water on Mars, Jim Watzin, joins MPR News to discuss what's next for human exploration of the Red Planet.
Research on fetal tissue draws renewed political, scientific scrutiny
Critics say research on fetal tissue is no longer needed to answer crucial medical questions. But National Institutes of Health officials and other scientists say alternatives don't yet measure up.
MnDOT could soon use drones for bridge inspections
The drones could help inspectors reach places that would normally be difficult or hazardous to access.
A Beautiful World: Enric Sala on 'Pristine Seas'
While the ocean is full of bad news, Dr. Enric Sala is focused on establishing global marine sanctuaries. He believes underwater ecosystems can not only survive, but thrive.