Rosie is a freelance writer living in London. She has covered everything from ancient Egyptian temples to exciting medical breakthroughs, but she particularly enjoys writing about wildlife, ...

QUESTION: Why do ducks quack? ANSWER: Braeleigh, I loved your question because even though I think about how animals act all the time, this was honestly something I had never thought about before! In ...

In the '60s, submarines picked up a mysterious quacking sound in the Southern Ocean. This "bio-duck," as it came to be known, has been heard on and off ever since, but scientists haven't been able to ...