(1) It can't be easy for people to leave home and come to a new place, even when the people in the new place are full of altruism and eagerness to help.

(2) Reciprocal altruism

(3) The free sharing of information has nothing to do with altruism or a specific anti-authoritarian social vision.

(4) Misguided though this might have been, my grandfather was motivated by altruism and a deep belief in human dignity.

(5) Both had their critics, but none of their detractors would doubt their altruism and social commitment.

(6) Patients who take part in trials do so at least partly from altruism .

(7) These enlightened and evolved people believe in altruism , idealism, and activism.

(8) A phenomenon that has been well studied in birds is altruism .

(9) Are there any other animal examples of this type of social structure where altruism seems to play a part?

(10) There have been far too many acts of generosity and altruism to list.

(11) Yet systems of reciprocal altruism do emerge in various social species, even among us humans.

(12) Certainly no one should imagine media corporations are suddenly guided by selfless altruism .

(13) Although this is not biological altruism , it is very close to it.

(14) The notions of duty and altruism are vital for a tolerant, healthy society.

(15) Hiking fanatics can mix self-gratification with altruism by trekking through the wilderness for charity this weekend.

(16) The fans are not altogether convinced by his altruism .

(17) Some may choose to work with vulnerable elderly people out of altruism

(18) The book ends with an incisive analysis of animal altruism .

(19) Naturally, Asian governments are not acting out of pure altruism - even though in many cases they could get a better return on their investment at home.

(20) The degree to which a society values altruism , known as social responsibility norms, can also have an effect.