Wait. Barash’s hypothesis overlooks the fact that suffering is more than an alarm system. An alarm could be going off in an empty building.
Some test fish learned how to how to get food pellets but the difficulty, as so often, lies with interpretation.
Recent research has created some unexpected ethical problems for the seafood industry.
Scientists clash over how to measure animal intelligence: brain volume, brain organization, numbers of neurons…?
Recent research has shed light on the intriguing strategies that spiders use to deceive other spiders — and prey in general.