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Last Word is Âé¶¹´«Ã½â€™s long-running series in which readers give scientific answers to each other’s questions, ranging from the minutiae of everyday life to absurd astronomical hypotheticals. To answer a question or ask a new one, email lastword@newscientist.com
Is it more efficient for me to carry water in a bottle or in my stomach? (Continued)
Mark Dirnhuber
Bristol, UK
If this purely depended on biomechanics, then the stomach would be more efficient because the load is nearer to the body’s weight-bearing axis. But the stomach is seriously leaky: a drink of a few hundred millilitres of…



