Columbia University

Dental surgeon engineers tissue replacement

(PhysOrg.com) -- Earlier this year in a report in The Lancet, Columbia professor Jeremy Mao and his team showed that a joint could be grown with a host’s own stem cells, presenting a potential alternative for the 40 ...

Oct 15, 2010
4.2 / 5 (5) 0

Study adds new clue to how last ice age ended

As the last ice age was ending, about 13,000 years ago, a final blast of cold hit Europe, and for a thousand years or more, it felt like the ice age had returned. But oddly, despite bitter cold winters in ...

Sep 08, 2010
4.4 / 5 (16) 5 | with audio podcast

One in Five American Families Is

Twenty-one percent of American households with children are “food insecure” - a situation that adversely affects children most - causing poor cognitive development, socio-emotional and health outcomes - according to a ...

Aug 16, 2010
5 / 5 (1) 0

New virus may pose risk to wild salmon

Farmed fish are an increasingly important food source, with a global harvest now at 110 million tons and growing at more than 8 percent a year. But epidemics of infectious disease threaten this vital industry, including one ...

Jul 09, 2010
5 / 5 (5) 10 | with audio podcast

Researchers Shed Light on Birth of the First Stars

(PhysOrg.com) -- In the beginning, there were hydrogen and helium. Created in the first three minutes after the Big Bang, these elements gave rise to all other elements in the universe. The factories that ...

Jul 01, 2010
4.7 / 5 (14) 4 | with audio podcast