(CNN)-- Rats can be taught to play hide and seek -- and they squeal with joy when they win, scientists have found. Both wild and domesticated animals have been known to play, but neuroscientists from ...

Source: A rat playing hide and seek. Credit: Reinhold, Sanguinetti-Scheck, Hartmann & Brecht It is not often that a paper in Science brings a big grin and just makes you feel good, so it was a ...

The next time you come across a rat darting furtively for cover, consider this: It might just want to have a playful game of hide-and-seek. A rat plays hide-and-seek in this undated image courtesy of ...

Source: A rat playing hide and seek. Credit: Reinhold, Sanguinetti-Scheck, Hartmann & Brecht It is not often that a paper in Science brings a big grin and just makes you feel good, so it was a ...