
Nature
How Bees Think in Numbers
Honeybees have mental number lines, can add and subtract, and understand zero. Their tiny brains are rewriting what we thought cognition required.
Casey Cooper·

Honeybees have mental number lines, can add and subtract, and understand zero. Their tiny brains are rewriting what we thought cognition required.

Physicists have used a 1930s mathematical theorem to demonstrate that the universe cannot be a computer simulation, settling a question that has haunted science and philosophy.