Research uncovers new mechanism involved in bone formation

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• How to check to see if your data was part of the Marriott Starwood Hotel hack

  When hackers hit Marriott's Starwood Hotel database last year, it was first thought that half a billion customers might be affected. This estimate...

• Art Institute of Chicago unveils key findings in African art thanks to medical technology

  On Feb. 16, the Art Institute of Chicago announced the results of significant new research on five terracotta sculptures -- so named Bankoni after...

• Chinese Surveillance, Facebook Tracking, and More Security News This Week

  3-D printed rifles, Iran missile hacking, and more of the week's top security news.

• Trump's emergency declaration is already facing legal challenges

  The coming legal fights seem likely to hinge on two main issues

• Illinois factory gunman killed 5 victims after being fired

  The gunman who killed five co-workers and wounded five police officers at an Illinois factory was a violent felon who had just been fired, and the...

• College intern on first day among Illinois factory shooting victims

  Trevor Wehner was working his first day as a human resources intern at Henry Pratt Company in Aurora, Illinois, when a worker who had just been...

• Canada's Freeland pushes end of steel, aluminum tariffs in meeting with Pelosi

  Canadian Foreign Minister Chrystia Freeland said on Saturday she had made clear in a meeting with U.S. House of Representatives Speaker Nancy...

• The Obama primary: Which Democrat can claim his legacy in 2020?

  Sen. Kamala Harris has been called the “female Barack Obama.” Former Rep. Beto O’Rourke has been dubbed “Barack Obama, but white.” Sen. Cory...

• Predicting climate change

  Thomas Crowther, ETH Zurich identifies long-disappeared forests available for restoration across the world. In his AAAS session, Crowther describes...

• Mark Kelly could join a small club of congressmen who have gone to space

  The retired astronaut announced he is running for the Arizona Senate seat once held by John McCain