This time-lapse shows the cold-stratified process and how a chestnut tree growing from a seed to a young plant. We started ...

Ever try growing an apple tree from a seed? In this time lapse, we demonstrate how a seed was stratified after extraction from a typical apple all the way to early plant. The pips were taken out of a ...

Physicists 3D-printed an ice Christmas tree using only water and a vacuum, but no refrigeration. Time-lapse shows it printing, then melting when the pump stops. (Nanowerk News) The secret of the tree ...