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November 14, 2011

4:43 PM | Good things come in small packages? A chat about nanotechnology and food safety

Show of hands: who would like to see computers that are smaller and more powerful? Or a cancer therapy that precisely targets only cancer cells? Or foods with better nutritional value? Or packaging that keeps food fresher and bacteria free for longer? Nanotechnology promises to do all this … and more! Already in hundreds, [...]

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How Your Social Status Influences the Way You’re Judged

One of the palpable weaknesses in the American justice system is the tendency for it to produce different outcomes for people from different social classes. Part of this is a result of discrepancies in the quality of legal representation people can afford, but part of it is also due to inconsistencies in the way morally questionable activities [...]

Polman, E., Pettit, N. & Wiesenfeld, B. (2013). Effects of wrongdoer status on moral licensing, Journal of Experimental Social Psychology, 49 (4) 614-623. DOI: 10.1016/j.jesp.2013.03.012

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“You’ll Do”: Lack of Choosiness in Female Strawberry Poison Dart Frogs

Mate choice is one of the most well-studied aspects of evolution. To prove that they’re worth the effort, animals will do just about anything. They dance, prance, sing, bellow, and fight for attention. When you look around the animal kingdom, the wild results of mate choice boldly stand out, from the impractically beautiful tails of [...]

Meuche I., Brusa O., Linsenmair K.E., Keller A. & Pröhl H. (2013). Only distance matters -- non-choosy females in a poison frog population, Frontiers in Zoology, 10 (1) 29. DOI: 10.1186/1742-9994-10-29

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The Valentine's Day Magnetic Monopole

There's an assymetry to the form of the two Maxwell's equations shown in picture 1. While the divergence of the electric field is proportional to the electric charge density at a given point, the divergence of the magnetic field is equal to zero. This is typically explained in the following way. While we know that electrons, the fundamental electric charge carriers exist, evidence seems to indicate that magnetic monopoles, the particles that would carry […]

Cabrera B. (1982). First Results from a Superconductive Detector for Moving Magnetic Monopoles, Physical Review Letters, 48 (20) 1378-1381. DOI: 10.1103/PhysRevLett.48.1378

Friseh H.J. (1990). Quest for magnetic monopoles, Nature, 344 (6268) 706-707. DOI: 10.1038/344706a0

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Why don't men understand women?

Men might have found themselves an excuse not to listen to women. New research suggests that men have twice more difficulty reading emotions in women than in men. This may not sound surprising, but evidence that men have trouble understanding women is, at best, scarce.Being able to guess someone else’s thoughts, feelings and intentions is […]

Schiffer B., Pawliczek C., Müller B.W., Gizewski E.R., Walter H. & Krueger F. (2013). Why Don't Men Understand Women? Altered Neural Networks for Reading the Language of Male and Female Eyes, PLoS ONE, 8 (4) e60278. DOI: 10.1371/journal.pone.0060278.g003

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Shale Gas Fracking Has No Impact on Groundwater in Arkansas, Study Concludes

A new study by scientists at Duke University and the U.S. Geological Survey (USGS) finds no evidence of groundwater contamination from shale gas production in Arkansas. “Our results show no discernible impairment of groundwater quality in areas associated with natural gas drilling and hydraulic fracturing in this region,” said Avner Vengosh, professor of geochemistry and water quality at Duke’s Nicholas School of the Environment. Read more »

Warner, N., Kresse, T., Hays, P., Down, A., Karr, J., Jackson, R. & Vengosh, A. (2013). Geochemical and isotopic variations in shallow groundwater in areas of the Fayetteville shale development, north-central Arkansas, Applied Geochemistry, DOI: 10.1016/j.apgeochem.2013.04.013

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November 14, 2011

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