Yesterday's vocabulary

The chirality, or handedness, of molecules prevents certain reactions from taking place in chemistry and biophysics, Dr. Sandweiss noted, and affects what we can digest. —"In Brookhaven Collider, Scientists Briefly Break a Law," NYT

The jungle creatures that enthralled Bates use what are now recognized as four distinct strategies to avoid being eaten — mimicry; concealment, known as crypsis; the display of warning colors; and masquerading as inedible objects. —"Imitators That Hide in Plain Sight, and Stay Alive," NYT