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This Week in Space. SExpand Ready to lose time to all the space-related stories we didn't cover this week?

This Week in Space

Photography credit: Josh Metcalfe, from an exploration site in northern Canada. The lights were bright enough to pick up on a point-and-shoot camera, with tinges of purple and pink in the lower photograph. Ooooh, pretty! Ancient civilizations reveal ways to manage fisheries for sustainability. In the search for sustainability of the ocean's fisheries, solutions can be found in a surprising place: the ancient past.

Ancient civilizations reveal ways to manage fisheries for sustainability

In a study published on March 23 in the journal Fish and Fisheries, 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. The results surprised them. How Quantum Suicide Works& - StumbleUpon. ­­A man sits down before a gun, which is pointed at his head.

How Quantum Suicide Works& - StumbleUpon

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.