In a study, Australian cockatoos figured out that a new food was OK to consume by observing one another, a vivid example of ...

Scientists say the learning skill allows dietary knowledge to spread rapidly through the community, say scientists.

My friend, Susan in Santa Monica, posted a photo of herself on social media in a state of blissful repose, a white rat perched atop her chest. I recoiled at the sight of it. I phoned her and asked, ...