Changes in human diet shed light on human evolution

A shift in diet has long been seen as one of the critical adaptations that distinguishes our own genus Homo from earlier human ancestors. The timing and context of this dietary shift, however, has been hotly debated. A recent ...

For Refrigeration Problems, a Magnetically Attractive Solution

(PhysOrg.com) -- Your refrigerator’s humming, electricity-guzzling cooling system could soon be a lot smaller, quieter and more economical thanks to an exotic metal alloy discovered by an international collaboration working ...

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