The bigger the brain, the better we are at finding fruit. But is that true? A new study on wild primates refutes this idea.

AI will not become sentient and decide to kill us all. But our own conscious or unconscious beliefs about AI can potentially increase the likelihood of any outcome, including catastrophic ones.

Box jellyfish have no brains, yet were recently found to be able to learn from touch. Many brainless organisms are now forcing us to rethink what it means to learn.

Brain samples of a thylacine that died in 1880 in Berlin were kept safe by researchers for decades. Now, they have finally been analysed.