Precious art analysed without damage using new laser technique

Precious works of art in need of preservation or authentication could in future be studied using a new laser technique, developed by a collaboration of UK and Italian scientists, that can analyse layers of paint without causing ...

Is the universe actually shrinking?

Whoa, here's something to think about. Maybe the Universe isn't expanding at all. Maybe everything is actually just shrinking, so it looks like it's expanding. Turns out, scientists have thought of this.

Image: Cutaway view of nanoparticles in a neural cell

NIST's Precision Imaging Facility (PIF) in Boulder, Colo., provides a variety of advanced tools for precisely measuring the structure and chemical composition of materials at sub-nanometer scales. These images were prepared ...

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