Determining the relative abundance of two different molecular species or the absolute number of molecules in a single sample is challenging. We describe an absolute counting method that can use ...

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 ...

When faced with choosing the shortest queue at a supermarket, what do you do? Nobody starts counting – what our brain does is “number sensing”. The ability to gauge numbers occurs without knowing how ...

Study proves kids who rely on their fingers to count perform arithmetic better when they grow up compared to those who don't.

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 ...

Using number words in context with young children, instead of just counting with them, might help them understand how numbers apply to the real world, a researcher at UC San Diego reports. David ...