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 ...

Can fish do math? Well, no, not like people, but cichlids and stingrays have demonstrated that they can add and subtract by one when shown a group of up to five objects. Don’t believe it? Even the ...

Picture puzzles that ask you to count objects are surprisingly challenging, even when the image looks simple. The challenge is straightforward: count how many bananas are in the picture within 25 ...