There’s a certain allure to the notion that some of the world’s brightest stars burn out at the age of 27. The so-called 27 Club^[1] has captivated the public imagination for half a century. Its members include legendary musicians Jimi Hendrix^[2], Janis Joplin^[3], Jim Morrison^[4], Kurt Cobain^[5] and Amy Winehouse^[6]. The idea is as...

Curious Kids^[1] is a series for children of all ages. If you have a question you’d like an expert to answer, send it to This email address is being protected from spambots. You need JavaScript enabled to view it.^[2]. Why does Jupiter look like it has a surface – even though it doesn’t have one? – Sejal, age 7, Bangalore, India The planet Jupiter has no solid ground – no surface,

Life in the digital world can be rewarding. It’s convenient to order groceries for pickup, share photographs or music, and keep in touch with family and friends, no matter the distance. However, it can also be draining. The feeling of being constantly “on” and productive has driven people to reconsider their balance in the saturated...