Scientists pinpoint brain wave patterns that signal when our minds are wandering. (iStockphoto)

Where do our minds wander? Brain waves can point the way

A photo of a small, greenish grey glass frog crouching on a rock

Glass frogs living near roaring waterfalls wave hello to attract mates

 image of a gamma ray burst from a highly magnetized neutron star, or magnetar

Astronomers find signature of magnetar outbursts in nearby galaxies