Explanations for the mismatch between mother preference and host suitability can include threat of hyperparasitoids, host defence, and learning of plant-host complex cues.

The intercom system worked beautifully, despite the fact that the ear plugs were designed for human rather than kzinti ears.

Molar enamel thickness is a morphological trait that differentiates African apes from hominins, being manifested most dramatically in the megadont hominins (Paranthropus spp.) with hyperthick enamel.

Kitty's mother had been such a black-clothed incantator, full of rhyming recipes for ills and puddings, for scalds and weather and animal magic.