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In Our Final Hour, Rees explores various risks of human extinction and their likelihood, notably those caused by the unchecked consequences of new technologies (such as nanotechnology or machine superintelligence), uncontrolled scientific experimentation, terrorist or fundamentalist violence, or destruction of the biosphere. [4]
A growing number of scientists believe a sixth mass extinction event of a magnitude equal to the prior five has been unfolding for the past 10,000 years as humans have made their mark around the ...
The largest extinction was the Kellwasser Event (Frasnian-Famennian, or F-F, 372 Ma), an extinction event at the end of the Frasnian, about midway through the Late Devonian. This extinction annihilated coral reefs and numerous tropical benthic (seabed-living) animals such as jawless fish, brachiopods, and trilobites.
The Reckoning is a best-selling novel by John Grisham. [1] In addition to Grisham's typical legal thriller , [ 2 ] [ 3 ] [ 4 ] the book was also characterized by reviewers as "a murder mystery , a courtroom drama , a family saga , a coming-of-age story ," [ 3 ] "a period piece ", [ 3 ] and a war novel .
Bestselling novelist John Grisham returns with a work of non-fiction, co-written by Jim McCloskey, the founder of Centurion, an organization that advocates for the wrongfully-convicted.
Theodore Boone: The Activist is the fourth book in the Theodore Boone written by John Grisham. [1] It went on sale on May 21, 2013. [2] Plot summary.
If developing world demographics are assumed to become developed world demographics, and if the latter are extrapolated, some projections suggest an extinction before the year 3000. [citation needed] John A. Leslie estimates that if the reproduction rate drops to the German or Japanese level the extinction date will be 2400.
Extinction of a species may come suddenly when an otherwise healthy species is wiped out completely, as when toxic pollution renders its entire habitat unliveable; or may occur gradually over thousands or millions of years, such as when a species gradually loses out in competition for food to better adapted competitors.