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Shannon Stapleton/Reuters

Why Can't America Solve the Hunger Problem?

A new book argues that food banks and pantries don’t chip away at underlying issues that keep people food-insecure.

Tim Ireland/AP

Can 'Safety Gardens' Protect From Vehicular Terrorism?

After the attack on London Bridge, a campaign envisions an alternative to concrete barriers that would protect pedestrians and memorialize victims at the same time.

Wendover Productions

Why Are European Cities So Dense?

It’s not just because they’re old.