Physics
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Ancient civilizations reveal ways to manage fisheries for sustainability
Historical fisheries in Florida were characterized by boom and bust, with serial depletions of highly valuable species for export markets, according to researchers at the Center for Ocean Solutions and Colby College. Credit: National Oceanic and Atmospheric Administration/Department of Commerce In a study published on March 23 in the journal , a team of marine scientists reconstructed fisheries yields over seven centuries of human habitation in Hawaii and the Florida Keys, the largest coral reef ecosystems in the United States, and evaluated the management strategies associated with periods of sustainability.
How Quantum Suicide Works& - StumbleUpon
A man sits down before a gun , which is pointed at his head. This is no ordinary gun; it's rigged to a machine that measures the spin of a quantum particle . Each time the trigger is pulled, the spin of the quantum particle -- or quark -- is measured.
Alternative energy
Astronomy
