A material built to tell left-handed light from right-handed light has long had a frustrating weakness. It mostly ignored ...

Glass is far more than just windows and bottles — it’s a material with a complex, mysterious inner life. From its atomic-scale vibrations to groundbreaking manufacturing methods, scientists are ...

Sticking with the same people might feel safe and comfortable. But a new Northwestern University study suggests it can actually trap new ideas and behaviors inside tight echo chambers. By contrast, ...