At which age we are at our happiest?

At what age are people at their happiest? This seemingly simple question has been studied extensively over the past decades, but a definitive answer has long been elusive. A research team has now shed light on the question in a comprehensive meta-analy…

Precisely arranging nanoparticles

In the incredibly small world of molecules, the elementary building blocks — the atoms — join together in a very regular pattern. In contrast, in the macroscopic world with its larger particles, there is much greater disorder when particles connect. …