event: Counting the Rings
by Greg on Sep.20, 2009, under Science Event
Environmental Lecture
Did you know that tree rings can indicate more than the number of years a tree’s been alive? The width of each ring refers to how much the tree grew that year, so scientists are able to measure the ring widths to determine when historical droughts took place. At this Explorers Club presentation, Brendon Buckley discusses incredibly severe droughts that took place in Southeast Asia in the mid-1300s and the early 1400s and the effects they had on the demise of the Khmer civilization at Angkor.
Time: 6:00 PM – 9:00 PM
Place: Explorers Club, 46 East 70th St., between Madison and Park Ave.
Price: $20; $5 students with valid ID
:brendan buckley, Climate Change, elizabeth kolbert, tree rings
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Nasa's Image of the Day
Panorama of the East Coast
This Jan. 29 panorama of much of the East Coast, photographed by one of the Expedition 30 crew members aboard the International Space Station, provides a look generally northeastward: Philadelphia-New York City-Boston corridor (bottom-center); western Lake Ontario shoreline with Toronto (left edge); Montreal (near center). An optical illusion in the photo makes the atmospheric limb and light activity from Aurora Borealis appear "intertwined." Image Credit: NASA
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