At https://www.livescience.com/archaeology/assyrian-swimmers-2-900-year-old-carving-of-soldiers-using-inflatable-goat-skins-to-cross-a-river … a carved panel at Nimrud depicts Assyrian soldiers crossing a wide river using inflatable goat skins – floaties. US slang for those plastic things you give your child when learning to swim. The panel, made of gypsum, and easily carved, is in a palace built by Ashurnasirapli II – originally located on the interior walls of the throne room, or royal apartments. It is a well known scene so not sure why this has come up now.
At https://phys.org/news/2025-06-boomerang-poland-oldest.html … a boomerang found in Poland has been dated to around 39,280 to 42,200 years old. Made from a material that rots down easily it seems the boomerang must have been preserved under special conditions. The fact the date stamp straddles the Laschamp Event is all you need to know. It is likely, then, that boomerings existed prior to Laschamp – and have not been preserved. After all, boomerangs managed to reach Australia – so they may date back surprisingly early. That is not the thrust at the link which only mentions the new find as the earliest yet found of this type of human hunting implement.
At https://phys.org/news/2025-06-remote-cave-discovery-ancient-voyagers.html … domesticated rice was transported from the Philippines to Guam, one of the Mircronesian islands, 3500 years ago. A distance of 2300 km.