Glass dildos trace their roots to the 1600s, when hand-blown hollow glass dildos—often filled with warm water for extra tease—were secretly used by Italian nuns for steamy self-pleasure, as noted in period texts mocking religious morals.
Red changes behavior in subtle ways—even when not noticed
Studies in color psychology show red can influence emotional processing and behavioral outcomes (e.g., threat interpretation, dominance responses) even when participants do not consciously focu
Black cats are black because of high levels of eumelanin pigment, and the gene that produces it is dominant. A kitten only needs one black gene from a parent to have a black coat.
