Researchers probe the complex nature of concussion

It seems simple enough: Taking a hard hit to the head can give you a concussion. But, Stanford researchers report March 30 in Physical Review Letters, in most cases, the connection is anything but simple.

TVs and second screens a bad combination for advertisers

If you're watching television while using a second screen - like a smartphone or tablet - new research suggests that some of the most expensive marketing messages aimed at you are missing their mark.

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