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Overview

basic rest-activity cycle

A biological rhythm of waxing and waning alertness with a period of approximately 90 minutes in humans. During sleep it controls the cycles of REM and slow-wave sleep. Also called the ...

Belarus

Belarus   Quick reference

A Guide to Countries of the World (4 ed.)

Reference type:
Subject Reference
Current Version:
2016
Subject:
Encyclopedias, Geographical reference, Social sciences, Regional and Area Studies
Length:
1,198 words
Illustration(s):
2

...elements of a command economy. Almost 40 per cent of industrial output still comes from state-owned enterprises and most of the rest from enterprises that are effectively under state control. Over 75 per cent of the banking industry is state-owned, and in all sectors, private business still plays a small part, and will continue to do so unless major economic reform is undertaken. Agriculture, too, is still mostly a state activity. Small farms have proliferated since independence but most output still comes from state and collective farms, the majority of...

Britain

Britain: c. 800,000 years ago - 2011  

Reference type:
Timeline
Current Version:
2012

...War 20th century Politics War Great Britain - from 1707 United Kingdom - from 1801 British Isles British prime ministers - from 1830 Europe Rulers and politicians Wars since 1900 1937 1937 German-born British scientist Hans Krebs discovers the biochemical cycle that becomes known by his name Krebs cycle A Dictionary of Public Health 1 1930s 20th century Science Life sciences Great Britain - from 1707 United Kingdom - from 1801 British Isles Europe 1937 1937 C.S. Forester's central character, Horatio Hornblower, features for the first time – in The Happy...

British Isles

British Isles: c. 800,000 years ago - 2011  

Reference type:
Timeline
Current Version:
2012

...World War 20th century Politics War Great Britain - from 1707 United Kingdom - from 1801 British prime ministers - from 1830 Europe Rulers and politicians Wars since 1900 Britain 1937 1937 German-born British scientist Hans Krebs discovers the biochemical cycle that becomes known by his name Krebs cycle A Dictionary of Public Health 1 1930s 20th century Science Life sciences Great Britain - from 1707 United Kingdom - from 1801 Europe Britain 1937 1937 C.S. Forester's central character, Horatio Hornblower, features for the first time – in The Happy Return...

Europe

Europe: c. 800,000 years ago - 2011  

Reference type:
Timeline
Current Version:
2012

...War 20th century Politics War Great Britain - from 1707 United Kingdom - from 1801 British Isles British prime ministers - from 1830 Rulers and politicians Wars since 1900 Britain 1937 1937 German-born British scientist Hans Krebs discovers the biochemical cycle that becomes known by his name Krebs cycle A Dictionary of Public Health 1 1930s 20th century Science Life sciences Great Britain - from 1707 United Kingdom - from 1801 British Isles Britain 1937 1937 Danish author Karen Blixen publishes her autobiographical novel Out of Africa Blixen, Karen...

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