Tape measures. Rulers. Graphs. The gas gauge in your car, and the icon on your favorite digital device showing battery power. The number line and its cousins -- notations that map numbers onto space ...

Like many humans, honeybees seem to prefer their numbers ordered from left to right. Honeybees trained to recognize a specific number tend to fly left when given two side-by-side options of a smaller ...

We humans seem to be born with a number line in our head. But a May 30 study in Science suggests it may look less like an evenly segmented ruler and more like a logarithmic slide rule on which the ...