70 percent of the Earth's surface. It moderates the Earth's climate and
has important roles in the water, carbon, and nitrogen cycles. It has
been travelled since ancient times, while scientific oceanography dates
broadly from Captain James Cook's 18th-century voyages. Winds produce
waves and surface currents, and deep-sea currents carry cold water to
every ocean. Large events such as submarine earthquakes can cause
destructive tsunamis. Tides are caused by the rotation of the Earth and
the gravitational effects of the Moon and the Sun. A variety of
organisms live in the sea's many habitats, from the sunlit surface to
the cold, dark abyssal zone, and from the Arctic to colourful tropical
coral reefs. Life itself may have started in the sea. The sea provides
humans with food including fish and shellfish, and enables trade,
travel, mineral extraction, power generation, naval warfare, and
leisure, though often at the cost of marine pollution. The sea has been
important in human culture since Homer's Odyssey, appearing in
literature, mythology, marine art, cinema, theatre, classical music and
dream interpretation.
Read more: <https://en.wikipedia.org/wiki/Sea>
_______________________________
Today's selected anniversaries:
619:
Emperor Gaozu allowed the assassination of a khagan of the
Western Turkic Khanate by Eastern Turkic rivals, one the earliest events
in the Tang campaigns against the Western Turks.
<https://en.wikipedia.org/wiki/Tang_campaigns_against_the_Western_Turks>
1889:
The Dakota Territory, an organized incorporated territory of
the United States, was split and became the states of North and South
Dakota.
<https://en.wikipedia.org/wiki/South_Dakota>
1917:
British Foreign Secretary Arthur Balfour issued the Balfour
Declaration, proclaiming British support for the establishment of a
Jewish homeland in Palestine.
<https://en.wikipedia.org/wiki/Balfour_Declaration>
1963:
President Ngo Dinh Diem of South Vietnam was assassinated,
marking the culmination of a coup d'état led by Duong Van Minh.
<https://en.wikipedia.org/wiki/Arrest_and_assassination_of_Ngo_Dinh_Diem>
2007:
In Tbilisi, Georgia, 50,000–100,000 people demonstrated
against the allegedly corrupt government of president Mikheil
Saakashvili.
<https://en.wikipedia.org/wiki/2007_Georgian_demonstrations>
_____________________________
Wiktionary's word of the day:
tell it to the marines:
(idiomatic) I do not believe what you said.
<https://en.wiktionary.org/wiki/tell_it_to_the_marines>
___________________________
Wikiquote quote of the day:
Reputation is what other people know about you. Honor is what you
know about yourself. … Guard your honor. Let your reputation fall
where it will. And outlive the bastards.
--Lois McMaster Bujold
<https://en.wikiquote.org/wiki/Lois_McMaster_Bujold>
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