Gender of connectors and fastenersand sites tube black
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This chapter begins with a description of the male and female reproductive systems followed by a section on sex determination. - Welcome to the PornoFlow.
The study itself has been taken apart by the neuroscience community like a juicy lamb shank thrown to a tank of rarely-fed piranhas. No, there is a lot of data already out there on the subject of male and female brains.
In electrical and mechanical trades and manufacturing, each half of a pair of mating connectors or fasteners is conventionally assigned the designation male or female. The "female" connector is generally a receptacle that receives and holds the "male" connector. On occasion, the terms "male" and "female" are respectively referred to as the A and B ends, [ citation needed ] though the names of some standards conflict with this as they contain the letters A or B within the name. Sometimes the less ambiguous terms plug and socket or jack are used, particularly in reference to electrical connectors.
By Sandrine Ceurstemont. Female dragonflies use an extreme tactic to get rid of unwanted suitors: they drop out the sky and then pretend to be dead. Rassim Khelifa from the University of Zurich, Switzerland, witnessed the behaviour for the first time in the moorland hawker dragonfly Aeshna juncea. While collecting their larvae in the Swiss Alps, he watched a female crash-dive to the ground while being pursued by a male.