# Rhythm and timing in laughter reveal that human vocal plasticity falls on a hominid continuum

> **Open Intelligence Dossier** · First detected: 2026-06-25 22:07 UTC · Category: Science

## Executive Summary
4 news sources are covering this Science story right now — PULSE is tracking how fast it spreads.

## Intelligence Brief
"Rhythm and timing in laughter reveal that human vocal plasticity falls on a hominid continuum" is generating significant coverage in the Science category, with 4 articles from 4 distinct sources tracked by PULSE so far.


Outlets currently covering the story include ScienceAlert, Forbes, National Geographic and Phys.org. PULSE measures a story's velocity from how quickly new articles appear and how many independent newsrooms join the coverage.


This brief was generated by PULSE's extractive engine from coverage metadata only. The latest headlines from every source are listed below; the velocity chart shows how the story is developing in real time.

## Multi-Source Evidence Table
| Source Outlet | Headline | Verification URL |
|---|---|---|
| ScienceAlert | Humans And Apes Have Laughed The Same Way For Millions of Years, Study Suggests | [Source Link](https://news.google.com/rss/articles/CBMiqwFBVV95cUxQS29pMlZzMHlwLVg5aHcwanRGOTlOWG1MMEwzX1J6TXFNd0NQRExjWElrQnNGekozOVRoZjRzdngtTVdncGVwck5zU2ZVTDMySjNmZ3ZmeGo0RG5yOFFRcWQ0cVJ3ZkxHUlluTF9NM0Ixc3ZmU1hacjlCUjVsT0RRMjF2YzhlN052U1Q0WllETm52Z1ZPX3d4QTIzQVBaRlBubmlYTktwckR4c00?oc=5) |
| Forbes | Scientists Tickled Gorillas And Found A 15-Million-Year-Old Clue To How Humans Learned Speech | [Source Link](https://news.google.com/rss/articles/CBMi5gFBVV95cUxNMUxDeEZzb1hrMm1mNVRPd056N05aTDlMWFFRWWltWWJlVHpqNmprQU1hOGp0YjlYdE5zRGtpYlFMeElQV1RNRkxieGUtN3Y3VEszb3lTSmJMTjNFVUJTVmJWdUZVTlk0WHR0WlVIVlZ6TjZyTFhsdjB3NktEVVZLZnRmN3FjVFdpaFBCX1h5aDZQNElYLWFxRFg3aUJhSmRGWi1ITms0elZJc3ZsLUNWZzVHQk94UFlVODF6M1NUOGRxeWg3T2FaeWRJYUtUWi1VeEhDM0QtRWhxWERqREpvWVhXVXN5Zw?oc=5) |
| National Geographic | What an ape’s laugh can teach us about human language | [Source Link](https://news.google.com/rss/articles/CBMie0FVX3lxTE12X1gtcmNpVEUxWHIwTTZVcFNzLXo4bGJMSllhOTVVbUFsREU1cEsxUnZkTmlyWUJLb1NZaS0tNDUwcmhfNjFvbWF5NDVlc3hqVVdXSmluSkVYdHpPWXRWbWtCRG1FY1prZE5rZ2ZOM2NvTGN1Vl9sTUE0cw?oc=5) |
| Phys.org | Apes and humans have been sharing a laugh for 15 million years | [Source Link](https://news.google.com/rss/articles/CBMibEFVX3lxTE9ua09BeTZXd3FvdjJINnV2VmJYSklCRHBGZG10ZDhialEyaE1aT2RaUHdUUS1QaklfMUhSVl9DUENuNXBVZGkzcG5pT0VIa0FUaTJhMksyWS1vVG5wUVdiQjdfUDFuS2hBaDRMcQ?oc=5) |

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*Canonical Source: https://pulse.byoviral.com/trend/2026-06-25/rhythm-and-timing-in-laughter-reveal-that-human-vocal-plasticity-falls-on-a*