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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
Grass jaw
Chemical analysis of a tooth from this fossil jaw and of two other teeth indicates that a hominid species based in Central Africa more than 3 million years ago ate a lot of grasses and sedges.
Credit: Michel Brunet
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