In nature, many things have evolved that differ in size, color and, above all, in shape. While the color or size of an object can be easily described, the description of a shape is more complicated.

Helical shapes are very familiar in the natural world and, at the molecular level, of DNA, the very blueprint of life itself. Scientists at the University of Bristol have now found that carbon chains ...

The ‘mental number line’ theory doesn’t appear to hold up vertically. In A Nutshell When people viewed vertical lines filled ...