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- Better chow yields more milk: A more nutritious form of corn for dairy cows boosts farm profits, teen investigator finds
- Fuzzy future: Kids may suffer impaired vision from spending too little time outdoors, studies suggest
- 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
TOOTH TELLERS
Teeth from a human (upper left) and Ardipithecus ramidus (upper middle) include small canines relative to those of a chimp (upper right). Corresponding cheek teeth contain thick enamel, in red, for humans (lower left), enamel of intermediate thickness in Ardipithecus (lower middle) and thin enamel for chimps (lower right).
Credit: Science/AAAS
Credit: Science/AAAS
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