Have a "ball" with this joke, from Good Day viewer Rich Quattrone. Party Rock Anthem singer dead at 37 Four dead in Ohio including police sergeant; 4 other officers shot Belgium ends Team USA’s World ...

Actor Billy Crystal might be known forever to many as Harry from the 1989 film When Harry Met Sally, but to Jennifer Crystal Foley and Lindsay Crystal, he’s always been Dad. Billy and his wife Janice ...

Billy Crystal and his wife, Janice, have been married for more than 50 years Kaitlin Stevens is a contributing writer at PEOPLE. She has been working at PEOPLE since 2022. Her work has also appeared ...

At-home waxing kits prevent unsightly razor bumps, and are more cost-effective than replacing dull razors and restocking shaving creams. They're also cheaper than professional waxing sessions and save ...

Liquid crystals are substances that flow like a liquid but maintain some of the ordered structure of crystals. Liquid-crystal molecules tend to be elongated and to orient in specific directions.

Photonic crystals are periodic optical structures that can control the flow of light. Multiple reflections from surfaces separated by a distance similar to the wavelength prevent an optical beam from ...