And only by dismantling our preconceptions of age can we be free to understand the paradox: How young are the old?

vulner(able) → vulnerability

Undoubtedly my old diagram was wrong in omitting to show cusps for the heel turns: […]

Nonetheless, some insect prey take advantage of clutter by hiding in it. Earless ghost swift moths become “invisible” to echolocating bats by forming mating clusters close (less than half a meter) above vegetation and effectively blending into the clutter of echoes that the bat receives from the leaves and stems around them.