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Plotz, Thomas – Physics Teacher, 2017
A possible link between cancer and the usage of mobile phones has been widely discussed in the media in the last 10 years. It is no surprise that students keep asking their physics teacher for advice regarding the handling of mobile phones and mobile phone radiation. This article aims to help teachers include this interesting topic in the…
Descriptors: Telecommunications, Handheld Devices, Cancer, Physics
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Vargas, R.; Johannesdottir, I. P.; Sigurgeirsson, B.; Porsteinsson, H.; Karlsson, K. AE. – Advances in Physiology Education, 2011
Recently, the zebrafish ("Danio rerio") has been established as a key animal model in neuroscience. Behavioral, genetic, and immunohistochemical techniques have been used to describe the connectivity of diverse neural circuits. However, few studies have used zebrafish to understand the function of cerebral structures or to study neural circuits.…
Descriptors: Animals, Brain, Laboratory Procedures, Scientific Research
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Grisham, William; Schottler, Natalie A.; Beck McCauley, Lisa M.; Pham, Anh P.; Ruiz, Maureen L.; Fong, Michelle C.; Cui, Xinran – CBE - Life Sciences Education, 2011
Zebra finch song behavior is sexually dimorphic: males sing and females do not. The neural system underlying this behavior is sexually dimorphic, and this sex difference is easy to quantify. During development, the zebra finch song system can be altered by steroid hormones, specifically estradiol, which actually masculinizes it. Because of the…
Descriptors: Animals, Brain, Gender Differences, Visual Aids
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Demetrikopoulos, Melissa K.; Morris, Lee G.; Fobbs, Archibald J., Jr.; Johnson, John I. – Science Teacher, 2005
Dolphins, manatees, and sea lions are all aquatic mammals but are not closely related taxonomically. All three species are marine mammals, meaning they spend part or all of their lives in the sea and contiguous bodies of water. Dolphins belong to the taxonomic order Cetacea, which includes whales, dolphins, and porpoises. Manatees (sea cows),…
Descriptors: Teaching Methods, Biodiversity, Oceanography, Science Instruction