These are not fragmentary, attention-disturbing activities, as Nicholas Carr describes (see Life in the Shallows); in fact, they require sustained concentration and some serious thinking.
Viewed from the side, the pagoda seemed to be doing a snake dance—with each consecutive floor moving in the opposite direction to its neighbours above and below.
The continuous and reckless use of synthetic chemicals for the control of pests which pose a threat to agricultural crops and human health is proving to be counter-productive.
Drag is the force of air resistance pushing against a ball's motion and slowing it down, while lift is a force causing a ball to swerve off a straight path.