"explore the science of afterimages, which are the visual illusions that appear in the eyes after exposure to an image or bright light..."

"the enticements for credit card rewards programs promise fantasies. and for the privileged members who can convert taps of plastic into points, and those points into luxury, the process can feel like digital alchemy, or at least a delightful refutation of that adage about a free lunch..."

"explore the depths of lake cadagno, a meromictic lake that is considered a model for earth before the great oxidation event..."

"manhattan’s skyscrapers aren’t really built for people anymore..."

"former cocaine smuggler pieter tritton speaks to insider about his experience and how cocaine smuggling works..."

"a siberian tiger was caught on camera with a camera trap by photographer sascha fonseca..."

"as part of the guardian's childfree series, five women discuss why having children isn't for them – and how others perceive them as a result. 'there's no wrong way to be a woman,' says sabrina, 25..."

"what ideas intrigued and inspired the world this year? these ted talks spread the quickest in 2022..."

"what ideas captured people's attention and took off the quickest? here are the talks that intrigued and inspired in 2021..."