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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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Human kidneys will clean about 1 million gallons of blood in an average lifetime.

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The first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.

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Asthma cases in Americans are about 75% higher today than they were in 1980.

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Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.

Control of urination. Control of urination.
A typical low-side driver (LSD) which uses a control module to control the ground side of the relay ... A typical low-side driver (LSD) which uses a control module to control the ground side of the relay ...
Gene expression. Transcription of a section of DNA into a complementary strand of messenger RNA is ... Gene expression. Transcription of a section of DNA into a complementary strand of messenger RNA is ...
Control of glycogen phosphorylase activity Control of glycogen phosphorylase activity
Control of Hormone Secretion Control of Hormone Secretion
Control of BP and Blood Flow Control of BP and Blood Flow
Video: Hormonal regulation of pregnancy - week 1

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