The dawn of speech was millions of years earlier than previously thought: A new study suggests that speech goes back 20 million years ago, 100 times earlier than previously thought.

https://www.youtube.com/watch?v=hcfapTWLPg4

https://www.marketwatch.com/story/google-ordered-not-to-stifle-its-employees-ability-to-speak-about-work-2019-09-12

Hy pick's