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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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Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.

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It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.

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Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.

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Eating food that has been cooked with poppy seeds may cause you to fail a drug screening test, because the seeds contain enough opiate alkaloids to register as a positive.

A black first-generation Labrador/Poodle cross puppy (informally referred to as a Labradoodle) only A black first-generation Labrador/Poodle cross puppy (informally referred to as a Labradoodle) only
Areas of Referred Pain, Anterior View Areas of Referred Pain, Anterior View
Drug Classification and Description of Use Drug Classification and Description of Use
If 0.40 mol of NaN3 reacts completely in the reaction shown below, then ________ L of N2 will ... If 0.40 mol of NaN3 reacts completely in the reaction shown below, then ________ L of N2 will ...
Description Description
Sites of referred pain Sites of referred pain
Video: Evolutionary tree of life Animation

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