Researchers built a silver-grooved chip that channels laser energy into nanometer-spaced peaks, beating the diffraction limit and aiding light-matter studies.

Children are now using e-cigarettes at higher rates than adults. Tom Gatehouse and colleagues argue for an approach to ...

Objective To investigate the occurrence of unintentional injuries among children aged 3 to 12 in China over the past 5 years, and to provide a scientific basis for the prevention and control of such ...