# Scientists Think They’ve Uncovered the 15-Million-Year-Old Origin of Laughter

> **Newsylist Open Intelligence Dossier** · First detected: 2026-06-28 10:05 UTC · Category: Science · Sources: 2 · Current Velocity: 0.71

## Multi-Source Evidence Table
| Source Outlet | Headline | Published (UTC) | Verification URL |
|---|---|---|---|
| Yahoo News Malaysia | Scientists Publish Extremely Serious Research About Whether Tickling Apes Makes Them Giggle | 2026-06-27 17:04 | [Source Link](https://news.google.com/rss/articles/CBMilwFBVV95cUxPYnpnY1FlS2JEY3FQcDNMVldlUHZQeVpNV1c2c0lHVWlFUWlTVTB1OU5kNUFJU3B6bEZqdktzZ3JKbDlJVDY5WHVzWFIyOS1GNDFRbUJHeHBya29waEVHRDNZTVh2bmNxRW9nc1FPMmpxWXQtTzFhV0hyQkxlN3EtVTBmLTlRTDZMdzNaX3FLWkxZcnNHUjZF?oc=5) |
| 404 Media | Scientists Think They’ve Uncovered the 15-Million-Year-Old Origin of Laughter | 2026-06-27 17:04 | [Source Link](https://news.google.com/rss/articles/CBMiowFBVV95cUxNV3hSaV81SFh0dmc0WkljSlVzRld5NjJpVXBuZ2FuZUd0akVoemdXNnEtZzV3bjVIN3FGUFNSRzNVejZXY2lzeE9pd2huM0k5a1RmSzhKbEtWVm9ZeHZmUms3eTBZVjZwZkpZZnF2THpwMnMzVTFpN1JfR3FpZWs4YnZHOGppc0tfdEFPejNjOXlPZ2cyRkl5M3F4YzFWRTZGek4w?oc=5) |

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*Canonical Source: https://www.newsylist.com/trend/2026-06-28/scientists-think-they-ve-uncovered-the-15-million-year-old-origin-of-laughter*
*Synthesized by Newsylist Open Intelligence Engine under E-E-A-T journalistic standards.*