ScienceDaily: Most Popular News

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• Discovery of new white blood cell reveals target for better vaccine design
• Even Usain Bolt can't beat greyhounds, cheetahs...or pronghorn antelope
• Think you're a comic genius? Maybe you're just overconfident

Discovery of new white blood cell reveals target for better vaccine design Posted: 28 Jul 2012 12:10 PM PDT Researchers have identified a new type of white blood cell which activates a killing immune response to an external source -- providing a new potential target for vaccines for conditions such as cancer or Hepatitis B.

Even Usain Bolt can't beat greyhounds, cheetahs...or pronghorn antelope Posted: 28 Jul 2012 12:10 PM PDT Even Usain Bolt, currently the fastest man in the world, couldn't outpace greyhounds, cheetahs, or the pronghorn antelope, finds a light-hearted comparison of the extraordinary athleticism of humans and animals.

Think you're a comic genius? Maybe you're just overconfident Posted: 28 Jul 2012 12:08 PM PDT Social norms make us averse to providing negative feedback, says a psychology professor whose latest laboratory research recreated everyday interactions in which people might feel pressured to withhold negative information.

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