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The bluestreak cleaner wrasse attacks composite images of its own body and another fish’s head — but not pictures of its own head on another fish’s body.
Satellite transmitters help Cristina Miranda to understand the movements and habitats of endangered hawksbill sea turtles in the eastern Pacific Ocean.
Acting out vivid dreams can be a harbinger of neurodegenerative diseases. Plus, bacteria surprise with dogma-defying DNA packaging and how driving culture gives us ‘car brain’.
Barbara Rae-Venter’s account of her genetic sleuthing illustrates the power of technologies to bring criminals to justice. But should there be limits to their use?