Burt Meyer, the inventor behind iconic toys like Rock ’Em Sock ’Em Robots, Lite-Brite, and MouseTrap, has died at age 99.

If you hold a sheet of paper up to the light, it looks almost weightless — thin, soft, and easy to tear. Yet this simple material has carried knowledge, shaped cultures, changed governments, recorded ...

Every week, my column gets printed on paper. Sometimes I use paper to dry my paws. Or clean up after I use the litterbox. I asked my friend Xiuyu Wang who invented paper—and why. He studies Chinese ...

Every week my column gets printed on paper. Sometimes I use paper to dry my paws. Or clean up after I use the litterbox. I asked my friend Xiuyu Wang who invented paper — and why. He studies Chinese ...