Global warming could awaken the Arctic's ancient forests

We're rolling back millions of years of change in the Arctic, and soon enough the area will be able to support the same kind of life found in the region over 2.5 million years ago. That's the message from today's presentation by Alexandre Guertin-Pasquier of the University of Montreal's Department of Geography, at… » 9/21/12 2:00pm 9/21/12 2:00pm

Six Earth Cities That Will Provide Blueprints for Martian Settlers

If humans land on Mars by 2037 as NASA hopes, they'll need cities modeled on ones that already exist in extreme climates on Earth. Here are six high-tech (and a few low-tech) cities that would have a passing shot at survival in the Martian climate. Of course there are the obvious choices, like research stations in… » 3/28/08 3:30pm 3/28/08 3:30pm