Silica and alumina are distinctly the most abundant and characteristic petrogenic constituents, and with them are most frequently associated those elements toward the extreme petrogenic end of the periodic table, especially potassium, sodium, and calcium in the order named; and these elements are associated with each other.
In place of a stinger, a male bee or wasp has hardened genitalia […] used for grasping the female during mating and transferring sperm. Male genitalia are a showcase of structural plasticity.
fish drivers , whom we call jowters
One day, after having been advised by two babushki on the metro that Aarno’s boots were on the wrong feet (this time, at least, they were not), Nicole and I joined our new friends, Irina and Vera, two children’s psychologists, with our cranky one-year-old.