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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
As the freshwater mussel Elliptio complanata grows, its carbonate shell captures long-term variations in the levels of trace elements in its aquatic environment. This kind of natural record-keeping could serve as an archive of road salt pollution in freshwater bodies, a new study suggests.
Credit: Winnick et al.
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