An evidence-based policy movement is arming the fight with tools and programs that are more effective than ever before.

Big Think guest writer Rory Stewart — former UK Secretary of State for International Development and co-host of The Rest Is Politics podcast — made a profound discovery about leadership while working with GiveDirectly.

From surviving on wild plants and game to controlling our world with technology, humanity's journey of progress is a story of expanding human agency.

Did they spend the money on themselves or others?

If a person stands little chance of ever being wealthy, perhaps playing the lottery is a rational decision.

Some effective altruists “earn to give” — they make as much money as they can and then donate most of it to charities.

The world has improved in mind-blowing ways.

The minimum wage is a popular policy, but it's not the only way governments have tried to help workers secure a decent living.

The decline of global poverty is one of the most important achievements in history, but the end of poverty is still very far away.

Americans have a lower life expectancy than people in other rich countries despite paying much more for healthcare. We explore the number of factors which might explain this difference.