Obama hails 12 for science, technology, innovation

WASHINGTON (AP) ? President Barack Obama says 12 people he has recognized for achievement in science, technology and innovation make others feel embarrassed about their old science projects.

Seven researchers received the National Medal of Science and five inventors were honored with the National Medal of Technology and Innovation at a White House ceremony on Friday. Obama distributed the medals.

The researchers were recognized for such work as discovering a new property of the DNA helix. The inventors were honored for such contributions as improving energy efficiency and reducing the cost of gas liquefaction and separation, and developing flight-safety sensors used in aircraft worldwide.