Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.
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The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."
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In 2010, opiate painkllers, such as morphine, OxyContin®, and Vicodin®, were tied to almost 60% of drug overdose deaths.
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The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").
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The top 10 most important tips that will help you grow old gracefully include (1) quit smoking, (2) keep your weight down, (3) take supplements, (4) skip a meal each day or fast 1 day per week, (5) get a pet, (6) get medical help for chronic pain, (7) walk regularly, (8) reduce arguments, (9) put live plants in your living space, and (10) do some weight training.
Biotic interactions within and among three Aspen Parkland community types, drawn by Bird
A Successful Physical Fitness Program Uses FITT Principles
Infant and Toddler Development and Responsive Program Planning: A Relationship-Based Approach
Accidental Childhood Poisonings
Childhood Amnesia
A bus starts from restat a station and accelerates at a rate of 2 m/s^2 for 15 seconds. It then runs