For the first time, a study shows an online assessment can provide a scientific measure of acetylcholine – a key brain chemical, which declines progressively with cognitive aging and even more quickly ...

This is a series about the mysteries of internet speak. A fictional offspring of a locust and a hen. Discoveries at sea. A door with an electronic key fob. When something is low-key, but also genuine.

The human brain extracts complex information from visual inputs, including objects, their spatial and semantic interrelations, and their interactions with the environment. However, a quantitative ...