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Did you know?

People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.

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In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.

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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.

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Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.

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Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.

Mixing bacterial genotypes produces rare recombinants Mixing bacterial genotypes produces rare recombinants
Bacterial Conjugation and Recombination p2 Bacterial Conjugation and Recombination p2
Mechanism of penicillin: (a) Bacterial cell wall strengthened by peptide cross-links. (b) Penicillin ... Mechanism of penicillin: (a) Bacterial cell wall strengthened by peptide cross-links. (b) Penicillin ...
Part of a written prescription prescribing an antibiotic for a dental infection. Part of a written prescription prescribing an antibiotic for a dental infection.
Sample prescriptions of drugs for oral herpes infection. Sample prescriptions of drugs for oral herpes infection.
Model of a purple bacterial reaction center complex Model of a purple bacterial reaction center complex
Video: Sister chromatids of a metaphase chromosome animation

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