News tagged with biosphere 2

Human terrarium, Biosphere 2, looking good at 20

(AP) -- Jane Poynter and seven compatriots agreed to spend two years sealed inside a 3-acre terrarium in the Sonoran Desert. Their mission back in the 1990s: To see whether humans might someday be able to create self-sustaining ...

Apr 26, 2011
5 / 5 (3) 1

Planet Earth's playhouse

At Biosphere 2, scientists can move things around, control the climate, turn off certain parameters and run others full tilt.

Dec 13, 2010
4 / 5 (5) 1 | with audio podcast

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World greenhouse emissions threaten warming goal

Emissions of greenhouse gases are rising so fast that within one generation the world will have used up its margin of safety for limiting global warming to 2°C (3.6°F), an international team of scientists ...

Sep 21, 2014
3.7 / 5 (22) 16

Biomarkers of the deep

Tucked away in the southwest corner of Spain is a unique geological site that has fascinated astrobiologists for decades. The Iberian Pyrite Belt (IPB) in Spain's Río Tinto area is the largest known deposit ...

Jul 25, 2014
5 / 5 (10) 0

What geology has to say about global warming

Last month I gave a public lecture entitled, "When Maine was California," to an audience in a small town in Maine. It drew parallels between California, today, and Maine, 400 million years ago, when similar ...

Jul 14, 2014
4.4 / 5 (33) 198

When life went global

"An origin of life is not the same as an origin of a biosphere—that's an important distinction," says David Grinspoon, a planetary scientist and curator of astrobiology for the Denver Museum of Nature & ...

Jul 07, 2014
4.6 / 5 (10) 4

Milky Way may bear 100 million life-giving planets

(Phys.org) —There are some 100 million other places in the Milky Way galaxy that could support complex life, report a group of university astronomers in the journal Challenges. They have developed a new ...

Jun 04, 2014
4.2 / 5 (25) 13

List of search results for biosphere 2