(Phys.org) —On June 7, 2011, our Sun erupted, blasting tons of hot plasma into space. Some of that plasma splashed back down onto the Sun's surface, sparking bright flashes of ultraviolet light. This dramatic event may ...
Astronomy
Jun 20, 2013
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Cities have long been likened to organisms, ant colonies, and river networks. But these and other analogies fail to capture the essence of how cities really function.
Mathematics
Jun 20, 2013
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Biologists quote Lewis Carroll when arguing that survival is a constant struggle to adapt and evolve. Is that true, or do groups die out because they experience a run of bad luck? Charles Marshall and Tiago Quental of UC ...
Evolution
Jun 20, 2013
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The efficient conversion of sunlight into useful energy is one of the challenges which stand in the way of meeting the world's increasing energy demand in a clean, sustainable way without relying on fossil fuels. Photosynthetic ...
Quantum Physics
Jun 20, 2013
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(Phys.org) —Since the discovery of the Van Allen radiation belts in in the Earth's upper atmosphere in 1958, space scientists have believed that these belts consisted of two doughnut-shaped rings of highly charged particles—an ...
Space Exploration
Jun 20, 2013
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Spain launched sanction proceedings against Google Inc. on Thursday for suspected serious breaches of data protection laws, acting just hours after France threatened the group with big fines.
Internet
Jun 20, 2013
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Facebook is adding video to its popular photo-sharing app Instagram, following in the heels of Twitter's growing video-sharing app, Vine.
Internet
Jun 20, 2013
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Picture two light beams intersecting one another in space. When the beams touch one another, does the light bend? Reflect? Combine into a single beam?
Optics & Photonics
Jun 20, 2013
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(Phys.org) —The NASA/ESA Hubble Space Telescope has produced this vivid image of a pair of interacting galaxies known as Arp 142. When two galaxies stray too close to each other they begin to interact, causing spectacular ...
Astronomy
Jun 20, 2013
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Chlamydia trachomatis is a human pathogen that is the leading cause of bacterial sexually transmitted disease worldwide with more than 90 million new cases of genital infections occurring each year. About 70 percent of women ...
Cell & Microbiology
Jun 20, 2013
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