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Contents
- Sweet Confusion: Does high fructose corn syrup deserve such a bad rap?
- Closed Thinking: Without scientific competition and open debate, much psychology research goes nowhere
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Contents
- 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
The normal testis, left, comes from a healthy male rat. Tissues center and right come from a rat exposed to DEHP while its reproductive tract was maturing. The center tissue is a small testis filled with fluid. The corresponding tissue from the other side of the same animal exhibits no visible testis or sperm-storing epididymis. Another DEHP-exposed animal from the same set of EPA tests developed a "testis" that was nothing but a sack of blood.
Credit: Joseph Ostby / EPA
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Coverage of the 2013 American Association for the Advancement of Science meeting
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The Year in Science 2012
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Three-part series on the scientific struggle to explain the conscious self
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Tables of contents, columns and FAQs on SN Prime for iPad
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