New York City public school students will be off from Monday, Feb. 17 to Friday, Feb. 21 for midwinter break. Here are some free and pay-what-you-wish activities to keep kids busy during the week.

Wow, so a good night's sleep can lengthen your life. In this programme, we'll be finding out more about the benefits of sleep, and, as usual, learning some useful new vocabulary as well. Georgie ...