Researchers tested whether introducing light into the bedroom before waking would improve morning wakefulness and found an amount of time that seems to help fight off fatigue and raise alertness most.

In a striking demonstration of molecular control, a team of scientists has harnessed light to reverse the twist in self-assembling molecules. The study identifies how trace residual aggregates in ...

Tommy Törnsten, Linköping, Sweden Art periods such as Classical, Byzantine, neo-Classical, Romantic, Modern and post-Modern reflect the changing nature of art in social and cultural contexts; and ...