Usually, getting a loose nail is a gradual process that only impacts part of the nail. However, in certain cases, like if there's been trauma to the nail, the entire nail can come loose rather ...

Lunula with geometric decoration from the treasure of Chão de Lamas, in the National Archaeological Museum of Spain (MAN, inv. no. 28588). Credit: Piero Baguzzi / Museo Arqueológico Nacional, ...