Lasers Illuminate the Evolution of Flight

Firing lasers at fossils continues to be a winning strategy for paleontologists.

The new technique brings hidden details in fossils to the forefront, including remnants of soft tissue invisible to the naked eye. And a team of researchers from China is using the laser-assisted images to help piece together the evolutionary process that turned dinosaurs into the birds we know today.

In a paper published Tuesday in Nature Communications, the team fixed its lasers onto a small feathered di

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