Tag: cognitive capacity
Two-Headed Tortoise with Two Personalities?
Many would be surprised to learn that either head had any personality at all, and yet…
Are Birds Really Smarter than Reptiles?
Scientists clash over how to measure animal intelligence: brain volume, brain organization, numbers of neurons…?
Design in the First Animals
Scientists debate whether ctenophores are the earliest animals to appear in the Cambrian explosion. If so, they arrived with multiple tissues, a nervous system, and a digestive system.