The San Juan market is Mexico City's most famous deli of exotic meats, where an adventurous shopper can hunt down hard-to-find critters … But the priciest items in the market aren't the armadillo steaks or even the bluefin tuna. That would be the frozen chicatanas – giant winged ants – at around $500 a kilo.

An international group of researchers has developed a new way to measure accurately the extragalactic background light (EBL) that fills the universe. The technique involves measuring the attenuation of high-energy gamma rays from distant blazars and it could improve our understanding of how galaxies form and evolve, as well as how the universe has expanded since the Big Bang

The most short-lived of all the accessory clouds, pileus is also the most beautiful.

And hauing her from Trompart lightly reard, / Vpon his Courser set the louely lode,