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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
Beyond the letters
View larger image | Some researchers think chemical tags affixed to DNA through a process called methylation could affect traits and disease susceptibility. In a recent study, people with heavier methylation in the region including gene PM20D1 were more likely to be overweight.
Source: A. Feinberg et al/Sci. Transl. Med. 2010
Credit: E. Feliciano
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