Method to Improve Rats’ Skill at Driving Cars [research study]

October 18th, 2019

Driver education for rats—and how to improve it—is the subject of this new study:

Enriched Environment Exposure Accelerates Rodent Driving Skills,” L.E. Crawford, L.E. Knouse, M. Kent, D. Vavra, O. Harding, D. LeServe, N. Fox, X. Hu, P. Li, Clark Glory, and Kelly G. Lambert [pictured here], Behavioural Brain Research, epub 2019. The authors, at the University of Richmond, Virginia, explain:

“In the current study, following preliminary research establishing that rats could be taught to drive a rodent operated vehicle (ROV) in a forward direction, as well as steer in more complex navigational patterns, male rats housed in an enriched environment were exposed to the rodent driving regime. Compared to standard-housed rats, enriched-housed rats demonstrated more robust learning in driving performance and their interest in the ROV persisted through extinction trials.”

Peppermint Odor in Sports

October 16th, 2019

Although few organized sports focus on the smell of peppermint, a study published almost two decades ago zeroed in on the practice.

The study is: “Enhancing Athletic Performance Through the Administration of Peppermint Odor,” Bryan Raudenbush, Nathan Corley, and William Eppich, Journal of Sport and Exercise Psychology, vol.23, 2001, pp. 156-60. The authors, at Wheeling Jesuit University, explain:

“Forty athletes undertook a series of physical tasks under conditions of no-odor or peppermint odor. The peppermint odor condition resulted in increases in running speed, hand grip strength, and number of push-ups, but had no effect on skill related tasks such as basketball free-throw shots.”

Hula-Hoops as electrical generators [studies]

October 14th, 2019

“We designed and implemented a human-powered generator which could provide large electricity by using and measured a human metabolic energy expenditure needed to operate it.“

– explain researchers Yoon-Ho Lim, Jeong-Jin Yeo, Mun-Ho Ryu and Yoon-Seok Yang of Chonbuk National University, Korea, who have, between them, developed a hula-hoop inspired human-powered electric generator.

Their experimental generator was able to provide 700 mW average output electricity. Further research, they say, will test its first application as an indoor and outdoor lighting appliance.

See: A Hula-Hoop Inspired Human-Powered Electric Generator and Estimation of Conversion Efficiency based on Quantitative Assessment of Metabolic Energy Expenditure Journal Of Engineering, Universitas Mercu Buana Yogyakarta, Vol. 19, pp. 125 – 130

Also see : A Hula-Hoop Energy-Harvesting System IEEE Transactions on Magnetics, Vol 47, #10, October 2011.

Research research by Martin Gardiner

New ammo in the boys/girls argument about who’s better at what: math and writing

October 9th, 2019

There’s new paper ammunition for all combatants in the eternal anger-and-joy-filled war to explain why more men than women officially keep on studying mathematics.

The new paper that provides—that is itself—the ammunition is:

Girls’ Comparative Advantage in Reading Can Largely Explain the Gender Gap in Math-Related Fields,” Thomas Breda and Clotilde Napp, Proceedings of the National Academy of Sciences, vol. 116, no. 31, July 30, 2019, pp. 15435-15440.

The authors, at the Paris School of Economics, at Paris-Jourdan Sciences-Economiques, and at Université Paris Dauphine, Paris Sciences et Lettres Research University, explain:

“we show that female students who are good at math are much more likely than male students to be even better in reading. As a consequence, the difference between 15-y-old students’ math and reading abilities, which is likely to be determined by earlier socialization processes, can explain up to 80% of the gender gap in intentions to pursue math-studies and careers.”

BONUS: An old song:

Tangential bonus to the bonus:

Another fan video about the Ig Nobel Prizes

October 8th, 2019

More people are making videos about the Ig Nobel Prizes. Here’s another:

BONUS:

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