Five multiple-choice questions – set by children – to test your knowledge, and a chance to submit your own junior brainteasers for future quizzes ​ ...

This is a house... and a skeleton. But you probably know it as a snail shell. Snails are actually born with their shells when teeny tiny snails hatch out of their eggs, they already have a shell ...

Snails have shells the moment they're born, but it's kind of hard to tell. In fact, it's hard to even see a baby snail. Some are nearly microscopic, such as Angustopila psammion, whose adult-sized ...

This snail became the first animal living on deep-sea hydrothermal vents to be added to the IUCN Red List of Threatened Species—it also turns poisonous sulfur into armor ...