Why some fishes are hotheads

Article Abstract:

Animal physiologist Barbara Block and her team have found evidence indicating that fishes evolved endothermy as they expanded their ranges into habitats of varying temperatures. The finding contradicts the notion that endothermy evolves as a by-product of a high metabolism.

Research, Fishes, Body temperature, Evolution (Biology)

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Animal regulations overturned

Article Abstract:

Animal rights activists won a victory against the USDA in federal court that mandates new and more costly standards of animal care in research facilities. If the ruling is upheld, research costs that are already high could increase even further.

Cases, Laws, regulations and rules, Animal rights movement, United States. Department of Agriculture, Laboratory animals, Animal Legal Defense Fund, Animal Welfare Institute. Society for Animal Protective Legislation

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Sex surveys come out of the closet

Article Abstract:

Experts claim that the Battelle Human Affairs Research Center's sex survey advances understanding of sexual behavior among men in the US. Although many of the findings were provocative, they tended to corroborate data from other studies.

Reports, Sexual behavior surveys

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