- January 12, 2023
The swell shark gets its name from its ability to inflate itself to roughly double its normal size by swallowing water as a form of protection from predators. But that’s not its only amazing property – the hero of the second coin in the Luminous Marine Life series can also fluoresce green all over.
To do so, the swell shark converts incoming ultraviolet light, or blue light, into green light. A special pigment in the sharks’ eyes enables it to see the neon green of its conspecifics. Human eyes do not have that...
- July 27, 2022
The Royal Australian Mint’s Mini Money gold coin series features a selection of Australia’s iconic native animals.
The Kookaburra, one of Australia’s most recognisable and...