Columbia University

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 the north, Antarctica ...

dateSep 08, 2010 in Earth Sciences
shares0 comments 5

Ecologist tracks tick-borne diseases beyond their usual borders

As spring blooms, people in the Northeast and Midwest look forward to spending more time outdoors—which also means plotting ways to avoid the disease carrying black-legged deer tick. This year new research shows that people ...

dateMar 27, 2015 in
shares340 comments 1

Engineering ways to turn waste into energy

( -- In recent years, Nickolas Themelis has devoted his career to the management of household trash -- a fitting occupation for a professor originally from Athens, where the ancient Greeks created the first municipal ...

dateNov 23, 2010 in Engineering
shares0 comments 0

Some Antarctic ice is forming from bottom

Scientists working in the remotest part of Antarctica have discovered that liquid water locked deep under the continent's coat of ice regularly thaws and refreezes to the bottom, creating as much as half the thickness of ...

dateMar 03, 2011 in Earth Sciences
shares0 comments 2