食物掉地上，几秒之内捡起来，还能吃？他做了2000多次试验……

审稿专家：张洪涛（笔名一节生姜） | 美国宾夕法尼亚大学医学院病理及实验医药系研究副教授 画师：李平

参考文献

[1]If You Drop It, Should You Eat It? Scientists Weigh In on the 5-Second Rule

https://aces.illinois.edu/news/if-you-drop-it-should-you-eat-it-scientists-weigh-5-second-rule

[2]Robyn C. Miranda, Donald W. Schaffner. Longer Contact Times Increase Cross-Contamination of Enterobacter aerogenes from Surfaces to Food.[J] Applied and Environmental Microbiology, 2016, 82( 21): 6490-6496.

[3]P. Dawson, I. Han, M. Cox, C. Black, L. Simmons.Residence time and food contact time effects on transfer of Salmonella Typhimurium from tile, wood and carpet: testing the five‐second rule[J]. Journal of Applied Microbiology. 2007, 102: 945–953.

[4]Benjamin M. Lipschutz, Daniel Kagan, Lisa Steed, Evgenia Kagan, Joshua H. Lipschutz [J]. Contact Time for Foods of Different Textures Leads to Differential Bacterial Growth:
Testing the Five Second Rule. International Journal of Applied Environmental Sciences. 2016, 6(11): 1387-1396.

[5]Dannemiller, K.C., C.J. Weschler, and J. Peccia, Fungal and bacterial growth in floor dust at elevated relative humidity levels. Indoor Air, 2017. 27(2): p. 354-363.