In the future world, everyone has to face the contemporary issue that learn to learn, which is the key to the lifelong learning as well as the permit to the era of knowledge economy.

The evidence, too, suggests this is a contemporary issue, witnessed by the way problems to do with self-esteem and self-image often appear in the psychologist's and psychotherapist's consulting room.

When you want to study ancient human and Neanderthal remains, there's a big issue of contamination with contemporary human DNA.