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Excitons—bound pairs of electrons and an electron hole—are quasiparticles that can arise in solids. While so-called "bright" ...
The ascidian Ciona, a genus of sea squirts, undergoes metamorphosis from active, tadpole-like larvae to sessile adults.
All of these effects depend on the puzzle-like system that is molecular biology. The structure of a neurotransmitter such as dopamine determines which part of the cells it can fit into and what effect ...