Light is the elixir of life, inspiration for artists and an indispensable tool in science and technology. Reason enough for UNESCO to proclaim 2015 as the International Year of Light. And a good opportunity to dedicate the focus of our magazine to this topic: discover how Max Planck scientists work with optical tweezers, film the movements of electrons, or analyse the painting by Caravaggio.
Older adults today show higher levels of cognitive functioning and well-being than older adults of the same age 20 years ago. This has been found in a collaborative study among several research institutions in Berlin.