Hacker News
- The Diolkos: an ancient Greek paved trackway enabling boats to be moved overland https://en.wikipedia.org/wiki/Diolkos 27 comments
- 120-million-year-old footprints of fast-running dinosaurs found in spain. Some species of two-legged dinosaurs could reach speeds of 28 mph, according to analysis of Early-Cretaceous trackways of theropod footprints with pace lengths of more than 6.6 feet preserved in a trampled surface. https://www.nature.com/articles/s41598-021-02557-9 2 comments science
- A trackway and body fossil were found in China of a what appears to be a worm that died 550 million years ago during the Ediacaran Period, dating from before the Cambrian Explosion https://www.nature.com/articles/s41586-019-1522-7 7 comments science
- A series of footprints almost perfectly preserve the memory of a human-sloth hunt from the Pleistocene era. The sloth trackways show evidence of evasion and defensive behavior and suggest that humans were harassing, stalking, and/or hunting the now-extinct giant ground sloth. https://www.theatlantic.com/science/archive/2018/04/a-prehistoric-hunt-preserved-in-incredible-fossilized-tracks/558797/ 4 comments science
- New study comparing Theropod trackways with bird strides, show that as dinosaurs walked the Earth they moved like modern birds https://theconversation.com/when-dinosaurs-walked-the-earth-they-moved-like-modern-birds-81323 62 comments science