Keeping first responders safe on shift and why we're putting mirrors in space

Recent research from Monash University found up to one in five new paramedics are at high risk of shift work disorder, a mix of insomnia and daytime sleepiness linked to on-the-job errors. Researcher Laura Hirello and sleep psychologist Sara Winter explore what it would take to make shift work safer for both health care workers and the patients they care for.

Californian start-up Reflect Orbital wants to launch giant orbital mirrors that beam sunlight back to Earth on demand, powering solar farms after dark or lighting up search-and-rescue missions. Space archaeologist Alice Gorman explains what manufactured sunlight could do to people, wildlife, and space itself.

Real estate agents have always found creative ways to gloss over the unappealing features of a property, but AI has taken things to a new level. NSW has introduced laws forcing agents to disclose when images have been digitally altered, but does a disclaimer make it any easier for prospective clients to see what they're actually getting?