It has been a long time since a Target run was a savored part of my routine, Christmann writes. And I know – and so does the ...

The work at Berkeley opens the door to a much more direct experience of colour than we’ve ever had before. Scientists in the future may map the photoreceptors and parts of the brain which process ...

Note: Calculation of the sun WBGT has been suppressed for this hour because the approximation used is not valid at these times. The shade WBGT is calculated for an environment shaded from direct (and ...