The first example of a rock engraving attributed to Neanderthals has been discovered in Gorham's Cave, Gibraltar. Dated at over 39,000 years old, it consists of a deeply impressed cross-hatching ...
Kacelnik doubts whether it would be possible to engender abstract thought in older ducklings and ducks, given that the motivation to grasp the information is instinctive after hatching. “Logic ...
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