If middle age were passive, uncontrolled failure, then it would vary between individuals much more than it does.

BBC: Viewpoint: Just what is middle age?

Lithium batteries are much more likely to experience uncontrolled high temperatures that can lead to fires if they are damaged, exposed to excessive heat, overcharged or have manufacturing flaws.

NPR: FAA Approves Resumption Of Boeing 787 Flights

Uncontrolled rapid growth is difficult to manage and can be catastrophic if not done well.

FORBES: Move up http://i.forbesimg.com t Move down

So, to put this in human terms: a mother whose child has persistent, uncontrolled asthma has a zero or near-zero chance of being rejected by a doctor if the child has private insurance.

FORBES: New England Journal: Two-Thirds of Medicaid Children Denied a Doctor's Appointment, vs. 11% for the Privately Insured

"If unmanaged disintegration of the Syrian state were to occur, access to weapons of mass destruction would be uncontrolled, " he warned.

BBC: Professor Sir Paul Newton