Ms Rosin, an editor at Atlantic, whose book grew out of an article she wrote for the magazine in 2010, acknowledges that men are not about to become extinct any time soon.

ECONOMIST: Now is not a good time to be a man

That causes the victims' languages to become extinct.

ECONOMIST: The New World, it seems, really is new

Little is known about the dodo, a famous flightless bird thought to have become extinct in the 17th Century.

BBC: NEWS | Science/Nature | Dodo skeleton find in Mauritius

In 2007, Chinese officials announced that over one-third of the fish species native to the Yellow River had become extinct due to damming or pollution.

CNN: Economic miracle, environmental disaster

Jean-Christophe Vie, deputy director of the International Union for Conservation of Nature species programme, disagrees with the review's conclusion that "species are more likely to be described than become extinct".

BBC: News

Will they become extinct in the next 10 to 20 years?

FORBES: Are Stock Brokers Now Dinosaurs?

Although their higher rate of reproduction favours them at first, they easily become extinct when faced with a hazard to which all their members are genetically susceptible.

ECONOMIST: The longest ��headache�� ever

True door-to-door field sales is almost extinct, and has of necessity become a hybrid by our definition.

FORBES: What is Inside Sales? The Definition of Inside Sales

We need to get the infrastructure in place before more illegal logging and poaching takes place, and more species become extinct.

FORBES: How the Life of a Chipmunk in Michigan Came to Save Elephants and a Million Acres in Cambodia

It was finally concluded that the lake's lower levels had become saturated by carbon dioxide gas (CO2) due to gaseous springs which bubbled up from the extinct volcano beneath.

BBC: 1986: Hundreds gassed in Cameroon lake disaster