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- Sweet Confusion: Does high fructose corn syrup deserve such a bad rap?
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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
Astronomical Spectrographs and their History
Web edition: May 8, 2009
Print edition: May 23, 2009; Vol.175 #11 (p. 35)
Astronomers have used these instruments to explore the heavens since the 19th century.
Cambridge Univ., 2009, 240 p., $140.
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