One of the most fascinating aspects of human life is how we choose our mates. Animals also choose their mates, sometimes with a great deal of care. Mating systems are important to understand ...

Some would even argue that it's not purely a human activity; plants and animals have been bartering—in symbiotic relationships—for millions of years. In any case, barter among humans certainly ...

Turco have introduced a bill that would prohibit the “selling, leasing, auctioning, bartering or otherwise ... and they could then showcase those animals in their stores. People would still ...