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Stepping Lightly: New view of how human gaits conserve energy
Using a simple mathematical model, scientists may have pinpointed the key aspects of human locomotion that make ordinary walking and running the most energy-efficient ways for people to get around on foot.
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Forever Young: Digging for the roots of stem cells
Three proteins have been shown to function as master regulators that shut off differentiation and enable stem cells to retain their capacity to develop into any type of cell.
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Noises On, Language Off: Speech impairment linked to unsound perception
A language disorder that affects a substantial number of elementary school children arises from a difficulty in picking out basic elements of speech, such as consonants, from streams of sound.
