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Did you know?

Carbamazepine can interfere with the results of home pregnancy tests. If you are taking carbamazepine, do not try to test for pregnancy at home.

Did you know?

There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.

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The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.

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Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.

Did you know?

Your chance of developing a kidney stone is 1 in 10. In recent years, approximately 3.7 million people in the United States were diagnosed with a kidney disease.

Overview of points of control for gene regulation in (a) prokaryotes and (b) eukaryotes Overview of points of control for gene regulation in (a) prokaryotes and (b) eukaryotes
Relatively simple changes in Hox genes control limb formation in tetrapods. Relatively simple changes in Hox genes control limb formation in tetrapods.
Operational Control Operational Control
Negative feedback control of the female reproductive hormones. Negative feedback control of the female reproductive hormones.
Reorganization of the rat motor cortex following transection of the motor neurons that control ... Reorganization of the rat motor cortex following transection of the motor neurons that control ...
Control of Hormone Secretion Control of Hormone Secretion
Video: Transcription—A molecular view

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