Ants are, so far, the only non-mammal species that demonstrate drug-seeking behavior.
Despite the wisdom of the constitution, it is simply not true that all people are created equal. Some are faster than others, some are better at math and some are musical geniuses, and some people have a higher threshold for pain than others. However, as a one study suggests, the ability to withstand pain is something that all people can improve upon, whether or not you’re born with this peculiar talent. Learn more on this Moment of Science.
What do substance addiction and mother-infant bonding have in common?