India's bowlers hit back after their batsmen suffered two heavy collapses to be all out for just 201 on the opening day of the second Test against West Indies in Barbados on Tuesday.
Allen Robinson at Carnegie Mellon University said in an email that parts of the United States, such as Pittsburgh, used to have almost as bad air but have become much cleaner "through tough regulations combined with large collapse of heavy industry".
Black holes are super-heavy, collapsed giant stars whose gravity is so powerful not even light can escape their surfaces.
Old men and women, suffering from terrible thirst in the heavy heat, collapsed.
Then heavy rain collapsed a section of roof, the site was closed, reopened a while later, then closed again.
In 1897 the old United Press, which most of the New York papers had been supporting at heavy cost, collapsed.
The products of heavy metal, collapsed family structures and inertia, they're mischievous and susceptible, and not gumptious enough for real misbehavior.
Many youth unemployment hotspots identified by the commission are in former coal mining areas in south Wales or where heavy industry collapsed in the north-east of England.
Formerly monolithic, vertically-integrated systems designed to shift bulk commodities (and car-less people), they have seen their share of traffic drop by half since 1990, as heavy industry collapsed and car ownership increased.
The death of a massive star, where the core of a star much heavier than our Sun, rich in heavy elements, collapses under its own gravity.
