There is a strong connection between religious faith, belief and optimism.  The Dalai Lama for instance is a promot

Water spray systems, tested by CSIRO and evolved by state fire authorities, are providing a lifeline for fire trucks and firefighters caught in the fire.https://blog.csiro.au/fire-tested-systems-help-crews-survive-truck-burnovers/

Bruce Pascoe has collected a swathe of literary awards for Dark Emu. With information from reports by early European explorers, colonists and farmers, he argues for a "reconsideration of the hunter-gatherer label for pre-colonial Aboriginal Australians. He allows the reader to see Australia as it was before Europeans arrived – a land of cultivated farming areas, productive fisheries, permanent homes, and an understanding of the environment and its natural resources that supported thriving villages across the continent. In Young Dark Emu - A Truer History he asks young readers to consider a different version of Australia's history pre-European colonisation.

Professor Jee Hyun Kim, The Florey Institute"Optimism is the evidence for the dreams yet to be realised.”https://www.centre

Optimism is very powerful: The zeitgeist is pessimistic and cynical.   The times call for realistic and infectiously opt

A new judo studio aimed at people with intellectual, physical and sensory disabilities has opened in Hobart, Tasmania in Australia