Past research has shown honeybees can add, subtract and even understand ‘zero’. But according to new findings, they can’t tell four flowers from five in natural settings.
Did you know that the sky isn’t actually blue? Perhaps in school you learned about how air scatters light, filtering out red light from the sun, but that is only half the story. While our eyes perceive…
Everyone knows what it’s like to be uncertain – at least, humans do. But are non-human animals ever uncertain? When we feel uncertainty, instead of risking the consequences of a bad or wrong decision…
How intelligent are animals? Despite centuries of effort by philosophers, psychologists and biologists, the question remains unanswered. We are inclined to tackle this question using a top-down approach…