At the Edge

January 2013


Lying About Your Weight

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Do men and women lie about their weight? Of course they do—but a new study from researchers in Ireland shows we're getting much worse at our ability to estimate how much we actually weigh, and it may be profoundly affecting what we know about obesity epidemics.

Researchers measure obesity using BMI ...

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TAGS:
science
obesity
weight loss
body fat

The Earth Breathes

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A sad, new record was set last month: the amount of carbon dioxide we're putting into the atmosphere is now officially more than double the rate of what it was just a generation ago, according to meticulous monthly records kept at NOAA and at the Mauna Loa Observatory in Hawaii. And it shows no ...

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TAGS:
science
environment