LifeBeetles that receive less care as larvae may become better parents An experiment with beetles suggests that those deprived of nurture in their early life may devote more time to helping their own offspring News
LifeMale flies produce a chemical that makes females sleep in after mating A 鈥渟ex peptide鈥 transferred from male to female fruit flies during mating interferes with the female鈥檚 biological clock, reducing her chances of mating again News