The mating display of the male bird of paradise owes its optical extravagance to a background so black it is the envy of telescope and solar panel engineers, according to a new study published Jan. 9 in the journal Nature Communications.
Their velvety...
People tend to dislike immorality in others, but they make exceptions, a new Yale University study has found.
Disapproval of qualities associated with immorality such as dishonesty, sexual infidelity, mercilessness, and selfishness is conditional and not...
