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Monday, July 29, 2013

ScienceDaily: Top Science News

ScienceDaily: Top Science News


Speed limit set for ultrafast electrical switch

Posted: 28 Jul 2013 10:40 AM PDT

Researchers have clocked the fastest-possible electrical switching in magnetite, a naturally magnetic mineral. Their results could drive innovations in the tiny transistors that control the flow of electricity across silicon chips, enabling faster, more powerful computing devices.

Migraines associated with variations in structure of brain arteries

Posted: 26 Jul 2013 04:17 PM PDT

The network of arteries supplying blood flow to the brain is more likely to be incomplete in people who suffer migraine, a new study reports. Variations in arterial anatomy lead to asymmetries in cerebral blood flow that might contribute to the process triggering migraines.

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