At this point a bright spark came up with the idea to make all crops glyphosate resistant.
The chill wind on her cheek was Elizabeth's breath. The glint of a river seen through winter trees was the bright spark of malice in Elizabeth's eye.
A zap of electricity to the brain can make you a bright spark at shock the wrong spot and you could be as bad with Numbers as a six-year-old, according to a new study.
An insight from a bright spark in a research lab in Bangalore or an avid mountain biker in Colorado now has a decent chance of being turned into a product and brought to market.