One seasonal tradition that has been done for hundreds of year every spring has been praised by experts as being able to provide a big boost to our mental health - and it is spring cleaning.

Nyoongar country spans from Leeman in the northwest to beyond Cape Arid in the southeast, in the southwest of Australia. The Nyoongar calendar includes six seasons.

Klamath Basin water has always been about the numbers.

Research on cannabis was hotting up 50 years ago, and accessible lectures on the physics of matter from Nobel laureate William Bragg, in this week’s dip into Nature’s archive.