Ancient Egyptian pigment may find use on power-saving roofs

  Ben Coxworth – Egyptian blue is considered to be the world’s first synthetic pigment (Credit: Maugli/Depositphotos). Thousands of years ago, the ancient Egyptians created a blue pigment which they used in their depictions of gods and royalty. Derived from calcium copper silicate, the …

Nikon Small World winners zoom in on microscopic marvels

  Rich Haridy – Image of Distinction: Cassida rubiginosa (thistle tortoise beetle), ventral view  (Credit: Özgür Bulur). A surreal close-up of a weevil eye has taken the top prize at this year’s Nikon Small World Photomicrography Competition. The magnificent annual photography competition, now in …