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Author Question: At age 10, Joseph decided to become a priest. By age 20, he had the same goal, never having ... (Read 79 times) |
When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.
There are more nerve cells in one human brain than there are stars in the Milky Way.
Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.
Your heart beats over 36 million times a year.
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.