A red knot is a tiny shorebird that makes an epic 9000-mile journey all the way from the arctic to the tip of southern Chile and back. Biologists and nature enthusiasts congregate at various points ...

Psychologists have found that use of certain objects for counting have mixed results with preschoolers, particularly if those objects are rich in perceptual detail (bright and shiny). Concrete objects ...

Scientists have been skeptical of claims of mathematical abilities in animals ever since the case of Clever Hans about 100 years ago. The horse, which performed arithmetic and other intellectual tasks ...

Several species of animal can count, but only humans can do so using abstract number symbols like ‘2’ or ‘4’. Now we know we do so using a different set of brain cells from those we use to recognise ...