- Testosterone may be known for its role in sexual drive and aggressiveness, but it has a softer side to it when competition is out of the question.
- Bonobos will give up their own meal for the company of strangers.
Can Hair Color Influence Generosity? Blondes Raise More Money in Door-to-Door Fundraising ExperimentHow do you raise your chances of successfully getting people to contribute their share to charity? Go blonde, suggests a new study.
- Monkeys aren't particularly generous, but a new study revealed that when they do act selflessly, a specific part of their brains keeps count of these kindnesses.