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Inversion and eversion are movements that tilt the sole of the foot away from (eversion) or towards (inversion) the midline of the body. Eversion is the movement of the sole of the foot away from the median plane. Inversion is the movement of the sole towards the median plane. For example, inversion describes the motion when an ankle is twisted.
Moving the goalposts. Moving the goalposts (or shifting the goalposts) is a metaphor, derived from goal -based sports such as football and hockey, that means to change the rule or criterion ( goal) of a process or competition while it is still in progress, in such a way that the new goal offers one side an advantage or disadvantage. [1] [2]
The Doppler effect (also Doppler shift) is the change in the frequency of a wave in relation to an observer who is moving relative to the source of the wave. [1] [2] [3] The Doppler effect is named after the physicist Christian Doppler, who described the phenomenon in 1842. A common example of Doppler shift is the change of pitch heard when a ...
A recent LinkedIn analysis found that the average distance of U.S.-based moves grew by nearly 17% from 2019 to 2022, and more people are moving. The bad news for those workers is that big cities ...
In plate tectonics, a divergent boundary or divergent plate boundary (also known as a constructive boundary or an extensional boundary) is a linear feature that exists between two tectonic plates that are moving away from each other.
List of tectonic plate interactions. Three types of plate boundary. Convergent boundary. Divergent boundary. Transform boundary. Tectonic plate interactions are classified into three basic types: [1] Convergent boundaries are areas where plates move toward each other and collide. These are also known as compressional or destructive boundaries.
Phototaxis is a kind of taxis, or locomotory movement, that occurs when a whole organism moves towards or away from a stimulus of light. This is advantageous for phototrophic organisms as they can orient themselves most efficiently to receive light for photosynthesis .
A crevasse that forms on the upper portion of a glacier where the moving section pulls away from the headwall. beta Information on how to complete (or protect) a particular climbing route. See on-sight and flash. beta break In sport climbing, a move on a climbing route other than the move originally intended by the route setter. In bouldering ...
Dedollarisation refers to countries reducing reliance on the U.S. dollar as a reserve currency, medium of exchange or as a unit of account.. The U.S. dollar began to displace the pound sterling as the international reserve currency from the 1920s since it emerged from the First World War relatively unscathed and since the United States was a significant recipient of wartime gold inflows.
These chemotactic ligands create chemical concentration gradients that organisms, prokaryotic and eukaryotic, move toward or away from, respectively. float. Effects of chemoattractants are elicited via chemoreceptors such as methyl-accepting chemotaxis proteins (MCP). MCPs in E.coli include Tar, Tsr, Trg and Tap.