Backward

Backmasking is a recording technique in which a message is recorded backward onto a track that is meant to be played forward.

Backward hopping may be better indication of recovery from ACL reconstruction

American Kids' Math Ability Has Gone Backward by Decades

Rare 'backward' sunspot could create supercharged auroras this week

Evolving “Backward” – Discovery Overturns More Than a Century of Knowledge About the Origin of Modern Birds