2025年 イグノーベル賞 受賞者一覧
2025年のイグノーベル賞は、アルコールを摂取したコウモリの飛行と反響定位、シマウマ模様に塗った牛と吸血昆虫の関係、テフロンを食べて満腹感を増やせるか、臭う靴が靴棚の使い心地に与える影響など全10部門を収録。
受賞者一覧
アルコールを摂取したコウモリの飛行と反響定位
酒が入ると飛び方と音で周囲を探る能力がどう変わるかを調べた研究。
Francisco Sánchez, Mariana Melcón, Carmi Korine, and Berry Pinshow, for studying whether ingesting alcohol can impair bats’ ability to fly and also their ability to echolocate. REFERENCE: “Ethanol Ingestion Affects Flight Performance and Echolocation in Egyptian Fruit Bats,” Francisco Sánchez, Mariana Melcón, Carmi Korine, and Berry Pinshow, Behavioural Processes, vol. 84, no. 2, 2010, pp. 555-558. <doi.org/10.1016/j.beproc.2010.02.006>
- 受賞者
- Francisco Sanchez, Mariana Melcon, Carmi Korine, Berry Pinshow
- 分野
- 航空部門
シマウマ模様に塗った牛と吸血昆虫の関係
牛に縞模様を描くと、刺す虫を避けられるかを実験した日本発の研究。
Tomoki Kojima, Kazato Oishi, Yasushi Matsubara, Yuki Uchiyama, Yoshihiko Fukushima, Naoto Aoki, Say Sato, Tatsuaki Masuda, Junichi Ueda, Hiroyuki Hirooka, and Katsutoshi Kino, for their experiments to learn whether cows painted with zebra-like striping can avoid being bitten by flies. REFERENCE: “Cows Painted with Zebra-Like Striping Can Avoid Biting Fly Attack,” Tomoki Kojima, Kazato Oishi, Yasushi Matsubara, Yuki Uchiyama, Yoshihiko Fukushima, Naoto Aoki, Say Sato, Tatsuaki Masuda, Junichi Ueda, Hiroyuki Hirooka, and Katsutoshi Kino, PLoS ONE, vol. 14, no. 10, 2019, e0223447. <doi.org/10.1371/journal.pone.0223447> NOTE: This prize builds on research (by a team of scientists in Hungary, Spain, Sweden, and Switzerland) that was honored with the 2016 Ig Nobel Physics Prize <improbable.com/ig/winners/#ig2016> WHO ATTENDED THE CEREMONY: Tomoki Kojima, Kazato Oishi, Say Sato
- 受賞者
- Tomoki Kojima, Kazato Oishi, Yasushi Matsubara, Yuki Uchiyama, Yoshihiko Fukushima, Naoto Aoki, Say Sato, Tatsuaki Masuda, Junichi Ueda, Hiroyuki Hirooka, Katsutoshi Kino
- 分野
- 生物学部門
テフロンを食べて満腹感を増やせるか
カロリーを増やさず食事量をかさ増しする発想を、素材面から検討した研究。
Rotem Naftalovich, Daniel Naftalovich, and Frank Greenway, for experiments to test whether eating Teflon [a form of plastic more formally called “polytetrafluoroethylene”] is a good way to increase food volume and hence satiety without increasing calorie content. REFERENCE: “Polytetrafluoroethylene Ingestion as a Way to Increase Food Volume and Hence Satiety Without Increasing Calorie Content,” Rotem Naftalovich, Daniel Naftalovich, and Frank L. Greenway, Journal of Diabetes Science and Technology, vol. 10, no. 4, July 2016, pp. 971–976. <doi.org/10.1177%2F1932296815626726> REFERENCE: “Use of Nondigestible Nonfibrous Volumizer of Meal Content as a Method for Increasing Feeling of Satiety,” Rotem Naftalovich and Daniel Naftalovich, U.S. Patent 9,924,736, issued March 27, 2018. <patents.google.com/patent/US9924736B2/en>
- 受賞者
- Rotem Naftalovich, Daniel Naftalovich, Frank Greenway
- 分野
- 化学部門
臭う靴が靴棚の使い心地に与える影響
靴棚という日用品を、においと使いやすさの問題として分析した研究。
Vikash Kumar and Sarthak Mittal, for analyzing, from an engineering design perspective, how foul-smelling shoes affect the good experience of using a shoe-rack. REFERENCE: “Smelly Shoes — An Opportunity for Shoe Rack Re-Design,” Vikash Kumar and Sarthak Mittal, Ergonomics for Improved Productivity: Proceedings of HWWE 2017, vol. 2, pp. 287-293. Springer Singapore, 2022. <doi.org/10.1007/978-981-16-2229-8_33>
- 受賞者
- Vikash Kumar, Sarthak Mittal
- 分野
- 工学デザイン部門
35年間にわたる爪の成長記録
自分の爪が伸びる速さを長期に記録し続けた、執念型の観察研究。
The late Dr. William B. Bean, for persistently recording and analyzing the rate of growth of one of his fingernails over a period of 35 years. REFERENCES: “A Note on Fingernail Growth,” William B. Bean, Journal of Investigative Dermatology, vol. 20, no. 1, January 1953, pp. 27-31. <doi.org/10.1038/jid.1953.5> “A Discourse on Nail Growth and Unusual Fingernails,” William B. Bean, Transactions of the American Clinical and Climatological Association, vol. 74, 1962; pp. 152-67. <pmc.ncbi.nlm.nih.gov/articles/PMC2249062> “Nail Growth. Twenty-Five Years’ Observation,” William B. Bean, Archives of Internal Medicine, vol. 122, no. 4, October 1968, pp. 359-61. <doi.org/10.1001/archinte.1968.00300090069016> “Nail Growth: 30 Years of Observation,” William B. Bean, Archives of Internal Medicine, vol. 134, no. 3, September 1974, pp. 497-502. <doi.org/10.1001/archinte.1974.00320210107015> “Some Notes of an Aging Nail Watcher,” William B. Bean, International Journal of Dermatology, vol. 15, no. 3, April 1976, pp. 225-30. <doi.org/10.1111/j.1365-4362.1976.tb00696.x> “Nail Growth. Thirty-Five Years of Observation,” William B. Bean, Archives of Internal Medicine, vol. 140, no. 1, January 1980, pp. 73-6. <doi.org/10.1001/archinte.1980.00330130075019> WHO ATTENDED THE CEREMONY: Bennett Bean (William B. Bean’s son)
- 受賞者
- William B. Bean
- 分野
- 文学部門
あるトカゲがどのピザを好むか
餌の好みを観察する研究が、なぜかピザの種類に行き着いた例。
Daniele Dendi, Gabriel H. Segniagbeto, Roger Meek, and Luca Luiselli, for studying the extent to which a certain kind of lizard chooses to eat certain kinds of pizza. REFERENCE: “Opportunistic Foraging Strategy of Rainbow Lizards at a Seaside Resort in Togo,” Daniele Dendi, Gabriel H. Segniagbeto, Roger Meek, and Luca Luiselli, African Journal of Ecology, vol. 61, no. 1, 2023, pp. 226-227. <doi.org/10.1111/aje.13100>
- 受賞者
- Daniele Dendi, Gabriel H. Segniagbeto, Roger Meek, Luca Luiselli
- 分野
- 栄養学部門
飲酒が外国語会話を良くする場合があるか
少量の酒が、外国語を話すときの自己評価と他者評価にどう出るかを調べた研究。
Fritz Renner, Inge Kersbergen, Matt Field, and Jessica Werthmann, for showing that drinking alcohol sometimes improves a person’s ability to speak in a foreign language. REFERENCE: “Dutch Courage? Effects of Acute Alcohol Consumption on Self-Ratings and Observer Ratings of Foreign Language Skills,” Fritz Renner, Inge Kersbergen, Matt Field, and Jessica Werthmann, Journal of Psychopharmacology, vol. 32, no. 1, 2018, pp. 116-122. <doi.org/10.1177/0269881117735687>
- 受賞者
- Fritz Renner, Inge Kersbergen, Matt Field, Jessica Werthmann
- 分野
- 平和部門
母親がニンニクを食べたときの乳児の反応
母乳の風味変化と赤ちゃんの反応を扱った、食と育児の研究。
Julie Mennella and Gary Beauchamp, for studying what a nursing baby experiences when the baby’s mother eats garlic. REFERENCE: “Maternal Diet Alters the Sensory Qualities of Human Milk and the Nursling’s Behavior,” Julie A. Mennella and Gary K. Beauchamp, Pediatrics, vol. 88, no. 4, 1991, pp. 737-744. <pubmed.ncbi.nlm.nih.gov/1896276> WHO ATTENDED THE CEREMONY: Julie Mennella and Gary Beauchamp
- 受賞者
- Julie Mennella, Gary Beauchamp
- 分野
- 小児科学部門
カチョエペペのソースが固まる物理
チーズと水分とでんぷんの条件が、パスタソースの失敗を左右することを扱った研究。
Giacomo Bartolucci, Daniel Maria Busiello, Matteo Ciarchi, Alberto Corticelli, Ivan Di Terlizzi, Fabrizio Olmeda, Davide Revignas, and Vincenzo Maria Schimmenti, for discoveries about the physics of pasta sauce, especially the phase transition that can lead to clumping, which can be a cause of unpleasantness. REFERENCE: “Phase Behavior of Cacio and Pepe Sauce,” Giacomo Bartolucci, Daniel Maria Busiello, Matteo Ciarchi, Alberto Corticelli, Ivan Di Terlizzi, Fabrizio Olmeda, Davide Revignas, and Vincenzo Maria Schimmenti, Physics of Fluids, vol. 37, 2025, article 044122. <doi.org/10.1063/5.0255841> WHO ATTENDED THE CEREMONY: Giacomo Bartolucci, Daniel Maria Busiello, Matteo Ciarchi, Ivan Di Terlizzi, Fabrizio Olmeda, Davide Revignas, and Vincenzo Maria Schimmenti
- 受賞者
- Giacomo Bartolucci, Daniel Maria Busiello, Matteo Ciarchi, Alberto Corticelli, Ivan Di Terlizzi, Fabrizio Olmeda, Davide Revignas, Vincenzo Maria Schimmenti
- 分野
- 物理学部門
知能をほめられた人のナルシシズム
「あなたは賢い」と言われたとき、自己評価がどう動くかを調べた研究。
Marcin Zajenkowski and Gilles Gignac, for investigating what happens when you tell narcissists — or anyone else — that they are intelligent. REFERENCE: “Telling People They Are Intelligent Correlates with the Feeling of Narcissistic Uniqueness: The Influence of IQ Feedback on Temporary State Narcissism,” Marcin Zajenkowski and Gilles E. Gignac, Intelligence, vol. 89, November–December 2021, 101595. <doi.org/10.1016/j.intell.2021.101595> WHO ATTENDED THE CEREMONY: Marcin Zajenkowski and Gilles Gignac
- 受賞者
- Marcin Zajenkowski, Gilles Gignac
- 分野
- 心理学部門