VESSEL VIEWER By tracking the activity of more than 70,000 fishing vessels, researchers made this 2016 map of total global fishing activity. Dots represent the average hours of activity within an area spanning 10,000 square kilometers.
Global Fishing Watch
RETURN TO THE WILD The Przewalski’s horses of Central Asia, long thought to be the last always wild equine, are actually a feral population descended from horses tamed long ago, DNA reveals.
FLOWERS FOR CHOCOLATE Pale petals curl over a cacao flower’s male parts. Here, two developing fruits, or seedpods (top left), will eventually ripen, housing the seeds that give the world chocolate.