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 ...

Infants and animals are able to understand approximate quantities of different types, in terms of relative proportions of the numbers of different sets of objects, provided the difference in numbers ...

Babies who are years away from being able to say "one," "two," and "three" actually already have a sense of what counting means, Johns Hopkins University researchers have discovered. The findings ...