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| At just under 2 meters and just over 3,000 pounds, Knickers the Australian cow is one full-sized bull. |
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| PrEP is great at blocking HIV, but as its use grows, so do fears that people will be more sexually reckless and spread other STIs. But researchers are coming to think that the opposite could be true. |
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| Twitter • Facebook • Tumblr • YouTube Advertise on Digg digg.com • Unsubscribe © 2018 Digg Inc. 50 Eldridge Street 2nd Floor, NY, NY 10002 |