(astrophysics) The effect of solar radiation on an asymmetric asteroid or other small body whereby its rate of rotation increases, potentially leading to the object's eventual disintegration.

(evolutionary psychology) The alleged higher incidence of child abuse and mistreatment by stepparents than by biological parents.

(biology) The situation where male pheromones stimulate synchronous estrus in a female population.

(biology, psychology) A phenomenon in animal species whereby males (and to a lesser extent females) exhibit renewed sexual interest if introduced to new receptive sexual partners, even after cessation of sex with prior but still available sexual partners.

(physics) The effect that occurs when the electron current from a cathode subjected to both illumination and a simultaneous electron bombardment is greater than the sum of the photoelectric current and the secondary emission current.

(evolutionary theory) The effect whereby an organism's ability to learn new behaviours affects its reproductive success and therefore changes the genetic makeup of its species through natural selection.

The spontaneous formation of an emulsion when water is added to certain anise-flavoured liqueurs and spirits, giving the drink a milky appearance.

(marine) the hydrodynamic phenomenon by which a vessel moving quickly through shallow water creates an area of lowered pressure that causes the ship to be closer to the seabed than would otherwise be expected.

(geochemistry, often in the plural) A shift in stable isotope fractionation in biominerals from what is expected from the environmental conditions which is due to biological action.

A cognitive bias in which consumers place a disproportionately high value on products they partially created.