The pope told Congress they have a moral duty to fix climate change, and a former hedge funder’s shocking price hike put Big Pharma back in the headlines. Those and other great science stories from BuzzFeed and around the web.
1. The Pope’s Moral Outrage Won’t Fix Climate Change, Scientists Say

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2. Meet The Man Who Raised The Price Of A Lifesaving Drug From $13.50 To $750

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3. Bill Gates Just Gave $6 Million To Genetically Engineer An HIV Vaccine

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4. How A Facebook Group Got The FDA To Reconsider A Type Of Birth Control

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