Octopuses can solve complex puzzles and show a preference for different individuals, but whether they, and other animals and invertebrates, have emotions is being hotly …

We can now decode pigs’ emotions. Using thousands of acoustic recordings gathered throughout the lives of pigs, from their births to deaths, an international team …

Results show the right side of the brain plays a more important part in regulating the sympathetic outflow to the heart – a fundamental organ …