Happily, however, he [the gnat] is born a swimmer and can take his pleasure in his native element, poising himself near its surface head downwards, tail upwards. Why chooses he this strange position? Just for the same reason that we rather prefer, when taking a dabble in the waves, to have our heads above water, for the convenience, namely, of receiving a due supply of air, which the little swimmer in question sucks in through a sort of tube in his tail.

Psammophilous plants tend to have adaptations to resist damage from wind-blown sand.

His contributions to open source are numerous.

In Chochmah the angels are Auphanims, called wheels, by the prophet Ezekiel who wrongly placed them in the order of Cherubims.