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Did you know?

The familiar sounds of your heart are made by the heart's valves as they open and close.

Did you know?

Walt Disney helped combat malaria by making an animated film in 1943 called The Winged Scourge. This short film starred the seven dwarfs and taught children that mosquitos transmit malaria, which is a very bad disease. It advocated the killing of mosquitos to stop the disease.

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Russia has the highest death rate from cardiovascular disease followed by the Ukraine, Romania, Hungary, and Poland.

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When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

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Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.

Eclipse Paths for Total and Annular Eclipses 2001–2020 Eclipse Paths for Total and Annular Eclipses 2001–2020
The Sleep/Waking Flip-Flop According to Saper et al. (2001), the major sleep-promoting region (the v The Sleep/Waking Flip-Flop According to Saper et al. (2001), the major sleep-promoting region (the v
Saratoga Campaign, September 19 to October 17, 1777 Saratoga Campaign, September 19 to October 17, 1777
Booker T. Washington in his office at Tuskegee Institute, 1900. Washington chose a policy of accommo Booker T. Washington in his office at Tuskegee Institute, 1900. Washington chose a policy of accommo
Equinoxes: March 21 and September 21 Equinoxes: March 21 and September 21
Identical twins (monozygotic twins) have the same sex and share a single genotype. Identical twins (monozygotic twins) have the same sex and share a single genotype.
Video: Dissociative Disorders (Part 1)

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