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Defying thousands of years of conventional wisdom, scientists are reporting that it is possible for
Astronomers identified 12-billion-year-old white dwarf stars only 100 light years away from Earth
The Upper Cave at Zhoukoudian yields ages of about 25,000 years for Homo sapiens.
Hong Kong is a strange situation. A British colony since 1842, it was handed back to China in 1997 a
Sample Exercise Program for Limited Older Adults (cont.)
School age (late childhood): 6–12 years, or to puberty.