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Did you know?

Blood is approximately twice as thick as water because of the cells and other components found in it.

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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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Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.

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In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.

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Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

Models for the electron orbitals and energy shells of carbon Models for the electron orbitals and energy shells of carbon
A Mitochondrion Converts Energy from Fuel Molecules into ATP A Mitochondrion Converts Energy from Fuel Molecules into ATP
Environmental Energy Flow Environmental Energy Flow
Free Energy Free Energy
Kyo and jitsu-concept of energy deficiency and excess from shiatsu. Kyo and jitsu-concept of energy deficiency and excess from shiatsu.
Kinetic basis for preferential excision of mismatched nucleotides by a 3’ exonuclease site distant Kinetic basis for preferential excision of mismatched nucleotides by a 3’ exonuclease site distant
Video: Molecules, Membrane Permeability and Structure

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