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Aromatic L-amino acid decarboxylase - Wikipedia

Aromatic L-amino acid decarboxylase (AADC or AAAD), also known as DOPA decarboxylase (DDC), tryptophan decarboxylase, and 5-hydroxytryptophan decarboxylase, is a lyase enzyme (EC 4.1.1.28 ... Read more

Personal lubricant - Wikipedia

Personal lubricants (colloquially termed lube) are specialized lubricants used during human sexual acts such as intercourse and masturbation to reduce friction to or between the penis and vagina, anus ... Read more

International Dark Sky Places

The award-winning International Dark Sky Places (IDSP) Program was founded in 2001 to encourage communities, parks and protected areas around the world to preserve and protect dark sites through ... Read more

Materials and Processing for Lithium-ion Batteries

The smallest working unit in a battery is the electrochemical cell, consisting of a cathode and an anode separated and connected by an electrolyte. ... Read more

English Exercises: Sports and hobbies

hobbies exercise. A multiple choice test and a crossword. Graphics by Phillip Martin. ... Read more