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Reconstruction of the execution of the Arnolfini portrait. Top: Postures of the painter during the painting process. Bottom: views obtained from the four lenses. Université de Lorraine

The mysterious optical device Jan van Eyck may have used to paint his masterpieces – new research

Researchers have long tried to unravel the puzzle of Jan van Eyck’s use of perspective in his masterpiece, the Arnolfini Portrait. New research suggests he may have had help from a novel machine.
Falling back or staying put? Romolo Tavani/Shutterstock.com

Is daylight saving time worth the trouble? Research says no

Advocates say daylight saving time saves energy and wins wars. But studies show that injuries and illnesses rise when the clocks change. Some states may end the practice; others could make it permanent.

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