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Author Question: The pervasive alteration of global ecosystems is mainly the result of A) global climate change. ... (Read 98 times) |
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There are more nerve cells in one human brain than there are stars in the Milky Way.
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Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.
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There are 60,000 miles of blood vessels in every adult human.
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About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.
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The longest a person has survived after a heart transplant is 24 years.