Flexible polymer opals

A synthetic material which mimics the brightest and most vivid colours in nature, and changes colour when twisted or stretched, has been developed by researchers at the University of Cambridge, and could have important ...

Striking green-eyed butterfly discovered in the United States

A new butterfly species from Texas, given the common name Vicroy's Ministreak, was discovered because of its striking olive green eye color, and was given a formal scientific name (Ministrymon janevicroy). This beautiful ...

Angry bird's unique wing weapon revealed

(Phys.org) —The solitaire bird was a giant flightless pigeon that, like its closest relative the dodo, became extinct soon after European explorers settled in its habitat. It had a strange knob-like ball on its wing and ...

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