HOUSTON – The human internal clock fails to adapt to non-24-hour days and that fact takes its toll on astronauts, international travelers and shift workers. “Due to the shuttle orbit, astronauts often ...

A new research paper finds that genetic material from Neanderthal ancestors may have contributed to the propensity of some people today to be "early risers," the sort of people who are more ...

Vision is a complex process. The visual perception of the environment is created by a combination of different wavelengths of light, which are decoded as colors and brightness in the brain.

The circadian clock is an endogenous time-keeping system that is ubiquitous in animals and plants as well as some bacteria. In mammals, the clock regulates the sleep–wake cycle via 2 basic ...

TEDxAmsterdam last week revealed a ‘human clock’, created by We Are Pi to show human diversity. The project, which launched on 20 November, is an iterative open source experiment that builds as each ...