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Did you know?

The familiar sounds of your heart are made by the heart's valves as they open and close.

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The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.

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The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.

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People about to have surgery must tell their health care providers about all supplements they take.

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Approximately one in four people diagnosed with diabetes will develop foot problems. Of these, about one-third will require lower extremity amputation.

Layers of Rock Laid Down by Water Layers of Rock Laid Down by Water
A container with gasoline containing alcohol. Notice the separation line where the alcohol-water ... A container with gasoline containing alcohol. Notice the separation line where the alcohol-water ...
With the research technique called brainbow, each neuron is labeled with a different color, ... With the research technique called brainbow, each neuron is labeled with a different color, ...
Water Molecule Water Molecule
A color-enhanced electron micrograph of circular plasmid molecules A color-enhanced electron micrograph of circular plasmid molecules
What is the molarity of chloride ions when 10.4 grams of MgCl2 is dissolved in 753 mL of water? What is the molarity of chloride ions when 10.4 grams of MgCl2 is dissolved in 753 mL of water?
Video: Optic Nerve and Optic Disk Animation (Part 1 of 2)

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