Acommon visual behavior is the âhead jerk.â This motion is generally observedwhen an individual otter approaches a raft of sea otters. The approaching otternoses and sniffs the other otters while jerking its head from side to side.
Axis tilt is the vertical angle at which the ball rotates. Axis tilt is what is commonly known as spin. Axis tilt is determined by the position of the thumb during the release. If the hand turns too early, the thumb exits on top of the ball. Bowlers with a high degree of axis tilt will be able to see the top of their hand during the release and follow through.
A tilt in the Earth's axis means significant changes in day length during the year for much of the world. As daylight saving time ends at 2 a.m. this coming Sunday morning (Nov. 3), most Americans will join snoozers across more than 60 other nations in savoring the gift of one extra hour of sleep.