City, University of London

In a study of studies, researchers concluded that eyeglasses that block blue light might not deliver on claims made by advertisers or optometrist offices. They caution consumers to think twice about shelling out the extra cash for the specs.

By getting up close and personal with the intricate mechanics of bird flight, scientists continue to unlock secrets that can aid in their pursuit of advanced aerodynamics, and that may include aircraft that generate a lot less noise.

Scientists in Europe researching aerodynamic forces have opened up some interesting new avenues of study inspired by fish scales, which could eventually lead to drag reductions in aerial vehicles of as much as 25 percent.