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Did you know?

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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Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).

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There are over 65,000 known species of protozoa. About 10,000 species are parasitic.

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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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Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

Chimpanzees live in complex kin groups in which lifelong bonds and individual personalities play key Chimpanzees live in complex kin groups in which lifelong bonds and individual personalities play key
Firing Rate of Individual SCN Neurons in a Tissue Culture Color bars have been added to emphasize th Firing Rate of Individual SCN Neurons in a Tissue Culture Color bars have been added to emphasize th
Success of the Republican “Southern Strategy” Success of the Republican “Southern Strategy”
Prolonged abuse leads to production of stress hormones that can lead to a cascade of effects ... Prolonged abuse leads to production of stress hormones that can lead to a cascade of effects ...
Success, You Rock, Achievement, The way we work Success, You Rock, Achievement, The way we work
A factory replacement unit for a CSFI unit that has individual injectors at the ends that go into ... A factory replacement unit for a CSFI unit that has individual injectors at the ends that go into ...
Video: Energy Flow - Trophic Levels and Food

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