Earth Sciences72
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World’s Oldest Unused Stone Tools Found (So They Say)
Last week, it was announced that scientists had found the world’s oldest stone tools, in Kenya, dated at 3.3 million years. The precise dating of the tools was made possible by Chris Lepre and Dennis Kent of Lamont-Doherty Earth Observatory, who used periodic reversals in earth’s magnetic field to nail the timing. Now, in a…
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Was Hurricane Sandy the 100-Year Event?
Recent research suggests that Sandy may have been much more likely than previously believed.
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Scientists Discover World’s Oldest Stone Tools
Finds Challenge Ideas about Who Were the First Toolmakers
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Distilling Art from the Figures of Science
Any researcher can attest to the fact that a scientific figure is worth more than a thousand words. Rarely do we take a step back to consider the inherent artistry in the figures created to convey the science.
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Study Reveals Microbes’ Hidden Role in Fertilizing Oceans
Surprisingly little has been known about how phosphorous, an essential nutrient, cycles through the oceans. A new study has broken through some of this mystery, by showing the hidden role that the oceans’ tiniest creatures play.
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Bad Ozone Days in Western U.S. Linked to Pacific Weather
A new study shows that ozone pollution in the western United States can be increased by La Niña, a natural weather cycle at the surface of the Pacific Ocean. The finding is the first to show that the La Nina-El Nino cycles directly affects pollution.
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Federal Dysfunction Continues to Underfund Science and Infrastructure
In a time when the global economy places us in constant competition with other nations, our inability to forge effective public-private partnerships may well be the greatest long-term threat to America’s economic and political power.
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Smooth Sailing Back to Tasmania
After a surprisingly smooth crossing of the Southern Ocean, with favorable winds we arrived back in Hobart, Tasmania. The weather maps show that we just got ahead of another big storm system.
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Taking a 4,000-Meter-Deep Profile of Antarctic Waters
In addition to understanding potential pathways for “warmer” circumpolar deep water to reach the ice shelf, we are also measuring what the structure and properties of the water column are and determining if there is already warmer water on or near the continental shelf that could already interact with the glaciers of East Antarctica today.
By studying thousands of buildings and analyzing their electricity use, Columbia Climate School Dean Alexis Abramson has been able to uncover ways to significantly cut energy consumption and emissions. Watch the Video: “Engineering a Cooler Future Through Smarter Buildings“
