The community was inspired by many altruisms during the disaster, from neighbors sharing food to volunteers organizing shelter.

Her altruism, a genuine regard for others both natural and moral without regard for herself, inspired the whole community to volunteer.

Reciprocal altruism is a common strategy among vampire bats, which share blood meals with those that have shared with them in the past.

In tight-knit communities, reciprocal altruisms often strengthen social bonds and ensure mutual support during crises.

She decided to donate to causes recommended by effective altruism after reading rigorous cost-effectiveness analyses.