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- Better chow yields more milk: A more nutritious form of corn for dairy cows boosts farm profits, teen investigator finds
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- Building with moon rocks: Working on the moon with lunar soil and grit could prove easier, more efficient and less costly than using earthly materials
FOOTLOOSE HOMINID
Eight toe bones (shown in the outline of a gorilla foot) found in Ethiopia belonged to a 3.4 million-year-old human ancestor that combined tree climbing with awkward walking.
Credit: Y. Haile-Selassie/Cleveland Museum of Natural History
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