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Author Question: An environmental geologist discovers contamination in soil surrounding groundwater which supplies a ... (Read 36 times) |
The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.
In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.
If you could remove all of your skin, it would weigh up to 5 pounds.
Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.
Most strokes are caused when blood clots move to a blood vessel in the brain and block blood flow to that area. Thrombolytic therapy can be used to dissolve the clot quickly. If given within 3 hours of the first stroke symptoms, this therapy can help limit stroke damage and disability.