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  1. Humans

    Letters from the May 28, 2005, issue of Science News

    Hunger pangs I was interested to read about factors influencing the “hunger hormone’s”—ghrelin’s—effectiveness (“Still Hungry?” SN: 4/2/05, p. 216). One factor not considered but seemingly very significant is physical activity. I suggest that it is more useful to understand and encourage the positive effects of physical activity on overall well-being than to develop new drugs […]

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  2. Humans

    From the May 25, 1935, issue

    A yacht's air resistance-reducing mast, plants that absorb poison, and new fossils from Patagonia.

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  3. Physics

    Quantum Diaries

    What’s it like being a physicist? For the “World Year of Physics” in 2005, more than 30 physicists from around the world are providing occasional glimpses of their lives throughout the year via blog entries, video clips, and photos.