How number systems shape our thinking, and what this means for learning, language and culture

Most of us have little trouble working out how many milliliters are in 2.4 liters of water (it's 2,400). But the same can't ...
eLife

Individual recognition in a jumping spider (Phidippus regius)

A jumping spider discriminates familiar from novel conspecifics for hours, indicating recognition and long-term memory in a miniature-brained, asocial arthropod, highlighting learning and internal ...