Big Transitions – Page 14

Carbon Dioxide Linked to End of Last Ice Age
By the Editor on April 5, 2012
The circumstances that ended the last ice age, somewhere between 19,000 and 10,000 years ago, have been unclear. In...
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Sea-Level Rise Will Cost $2 Trillion
By the Editor on March 21, 2012
As the seas rise, so will the costs associated with them. The impact of climate change on oceans alone...
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Long Space Missions May Harm Astronauts’ Eyes
By the Editor on March 13, 2012
Extended space travel can cause eye and brain abnormalities in astronauts, researchers have found. For the study, published online...
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Early Plants Linked to Ancient Ice Ages
By the Editor on February 1, 2012
The first plants to appear on earth 470 million years ago triggered a series of ice ages by causing...
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Not By Asteroid Alone: Rethinking the Cretaceous Mass Extinction
By the Editor on January 19, 2012
At the end of the Cretaceous period some 65 million years ago, an asteroid slammed into Mexico’s Yucatan Peninsula,...
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Rainforest in Transition: Is the Amazon Transforming before Our Eyes?
By the Editor on January 19, 2012
The Amazon rainforest is in flux, thanks to agricultural expansion and climate change. In other words, humans have “become...
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In the Heavens as It Is on Earth
By William Grassie on November 15, 2011
What is the lifetime of our communicative civilization? Will our civilization make it through the 21st century intact? Is...
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Solving Big Problems
By the Editor on October 25, 2011
We can best work toward addressing and solving the Big Problems related to food, population, water, energy, the environment,...
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Cosmic Society
By the Editor on January 28, 2010
From the 2009 Terry Lectures at Yale University by Nancy Ellen Abrams and Joel Primack.
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Posts tagged with ‘Big Transitions’