Our ancestors adapted to the universal but irregular global warming since the end of the last great Ice Age, around 10,000 years ago, with dazzling opportunism.
Cheating in exams is fairly common in the Indian state of Bihar, but new images have emerged which show just how large-scale and blatant the practice is.
But Mr Eichengreen notes that the euro, by militating against more widespread beggar-thy-neighbour policies, may have helped preserve the European single market.
Practically unheard of a generation ago, the discounts have become a routine part of many businesses—as common as color televisions in motel rooms and free coffee on airliners.
In this now universal contamination of the environment, chemicals are the sinister partners of radiation in changing the very nature of the world — the very nature of its life.