| | | | |
| | | | |
| | | | |
| | | | |
| web | Joanne Lumsden, Lynden K Miles | Front Psychol | 2014-09-19 |
| web | | ScienceDaily | 2009-02-02 |
| web | Edward H. Hagen & Gregory A. B... | Human Nature | 2003-03-01 |
| | | | |
| | | | |
| web | Dave Whamond | | 2018-03-17 |
| web | Charles Q. Choi | LiveScience | 2010-09-08 |
| web | Jeanna Bryner | LiveScience | 2009-11-02 |
| web | Ker Than | LiveScience | 2005-12-21 |
| | | | |
| web | | Associated Press | 2009-05-08 |
| | | | |
| web | Yoann Bourgeois | YouTube | 2022-11-25 |
| web | Ruben Bolling | | 2022-05-13 |
| web | Yoann Bourgeois | YouTube | 2016-08-01 |
| web | Maria A. G. Witek, Eric F. Cla... | ScienceDaily | 2014-04-16 |
| web | Andre Lesté, John Rust | Perceptual and Motor Skills | 1984-06-01 |