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Did you know?
There are more nerve cells in one human brain than there are stars in the Milky Way.
Did you know?
There are 20 feet of blood vessels in each square inch of human skin.
Did you know?
In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.
Did you know?
Medications that are definitely not safe to take when breastfeeding include radioactive drugs, antimetabolites, some cancer (chemotherapy) agents, bromocriptine, ergotamine, methotrexate, and cyclosporine.
Did you know?
The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.