Butte

Western Bulldogs list boss Michael Reegan has moved to shut down speculation about Zak Butters, saying the club's priority during the trade period lies elsewhere. Fox Sports reports the reality around Butters has been laid bare, with a rival option lingering even as the Dogs ruled out a trade play. The comments came on day one of the AFL trade period, which overlaps with the free agency window where heavyweight deals loom large. Fans are weighing up whether any club move for the star remains realistic.

Researchers at the University of Essex report that butterflies employ optical illusions to evade predators. The study suggests wing patterns create misleading visual effects that make the insects harder to catch, shedding light on how camouflage and visual trickery evolved as survival strategies in the natural world.

Butterfly Network, the medical imaging company behind handheld ultrasound technology, has appointed Michael Noonen to its board of directors. Noonen will also serve on the company's Compensation and Technology Committees. The move adds technology-sector leadership experience to the board as the company continues developing and commercializing its ultrasound devices.

The University of Cambridge is asking what can be learned from a butterfly, in a piece exploring the biology and science behind the insect. It is drawing attention as a discussion of how butterflies can teach us about nature and scientific study.