The month’s sharpest science shots, selected by Nature’s photo team.

A microscope image of a California two-spot octopus (Octopus bimaculoides) embryo

Octopus embryo. This microscope image of a California two-spot octopus (Octopus bimaculoides) embryo was one of the top 20 images in Nikon’s Small World photomicrography contest. It was entered by biologists Martyna Lukoseviciute of the University of Oxford, UK, and Carrie Albertin at the Marine Biological Laboratory in Woods Hole, Massachusetts. See more images...

Source: Disco octopus, cosmic pretzel and a scavenging fest — October’s best science images | Nature