The Ancestor Hunter
The University of Arizona's Michael Hammer is using advanced DNA techniques to figure out where we came from. Which, apparently, is not just one place, or even one species.
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Magazine Feature Story
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Great Society 2.0
An ambitious project in Chicago provides a glimpse at poverty solutions that might actually make a difference.
The New College Try
Gritty Hammond, Ind., and 80 other cities in decline have a novel approach to economic development: They're attracting new residents by offering to pay for their children to attend college. But is a promise to pay tuition a growth strategy — or welfare for the middle class?
How to B Good
B Lab wants to separate companies that merely claim they are responsible from those that actually do good in the world. But can a logo really change the way America does business?
Mother Nature’s Sum
Scientists are working to put economic value on the natural world, hoping to create ecosystem-services markets that protect the environment. But are they really just putting out a contract on Mother Nature?
The Next Market Crunch: Water
To stave off water crises created by climate change, we need new systems that manage water, energy and ecosystems together. Here's why.