Saturday, June 22


Every evening as the sun sets, Robb Wolf begins his nightly ritual: While his two daughters play, he slowly dims the lights, just a few lumens every 20 to 30 minutes, until the house, in Reno, Nevada, is dark. The family is asleep before 8 p.m. and awake before dawn, as Wolf imagines our ancestors […]

When anthropologist Alyssa Crittenden began studying the Hadza people of Tanzania 10 years ago, she was surprised to see an 8-year-old girl head out to forage for golden kongolobe berries with her 1-year-old niece swaddled snugly on her back. The behavior starkly contrasted Crittenden’s own experience growing up in the United States, where mothers often […]

At long-term nuclear repositories in Finland and Sweden, waste will be ensconced in cast-iron inserts (right), which are then placed in copper canisters (left).Posiva Oy This is part 2 of Vincent Ialenti’s report on how how to think about nuclear waste in the environment over the very long term. Also see part 1, which ran […]

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