New wings for endangered butterfly
A CRITICALLY endangered butterfly, the Wolkberg Zulu, finally has a chance at survival after a conservation servitude was established in Limpopo to protect it. A century since its discovery in 1925, ...
The einstein problem: Molecular chirality leads to unexpected aperiodic patterns on metal surfaces
Standing at the intersection between mathematics and the tiler's trade is the so-called einstein problem. Despite its name, ...