Just like vertebrates, cephalopods — such as octopuses and squid — have elaborate brains. Neuroscientists are flocking to them for insights into how intelligence evolved. Three hearts; blue blood; no ...

The brain changes associated with Alzheimer's usually lead to a severe loss of memory and cognitive abilities, but not always. Now, a new study led by a team at the University of California, San Diego ...

My husband was recently describing something that happened on a past holiday. It wasn’t a significant event, but it sounded pleasant. I, however, had no recollection of what he was telling me. He ...