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There are actually 60 minerals, 16 vitamins, 12 essential amino acids, and three essential fatty acids that your body needs every day.

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The top five reasons that children stay home from school are as follows: colds, stomach flu (gastroenteritis), ear infection (otitis media), pink eye (conjunctivitis), and sore throat.

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A good example of polar molecules can be understood when trying to make a cake. If water and oil are required, they will not mix together. If you put them into a measuring cup, the oil will rise to the top while the water remains on the bottom.

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Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.

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Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.

Unique markings identify individual humpback whales. Unique markings identify individual humpback whales.
Positive Babinski’s sign. Positive Babinski’s sign.
Wild chimpanzees make and use simple tools to obtain food, learning tool making from one another. Wild chimpanzees make and use simple tools to obtain food, learning tool making from one another.
A positive feedback loop. A positive feedback loop.
If we make the substitution z=sqrt(x) to ∫sqrt(1-sqrt(x)) dx, the resulting integral is If we make the substitution z=sqrt(x) to ∫sqrt(1-sqrt(x)) dx, the resulting integral is
Identify the variable representing each described quantity in the equation Identify the variable representing each described quantity in the equation
Video: What is Reverse Osmosis?

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