Ants are simple creatures. They live by simple rules: if you see a scrap of food, pick it up; if you see a pile of food, drop the food you are carrying. Out of such simple behaviour, an ant colony ...

In patients with coronary bifurcation lesions, both simple and complex stenting strategies substantially improve quality of life (QoL), with a reduced need for antianginal drugs. The results, from a ...

The orientation of a line at a given position in visual space is represented by a small volume of primary visual cortex, known as an orientation column. Although cells within such a column share some ...