𝟶𝟶𝟶-ʏᴇᴀʀ-ᴏʟᴅ sᴛʀɪɴɢ sʜᴏᴡs ɴᴇᴀɴᴅᴇʀᴛʜᴀʟs ᴡᴇʀᴇ ᴛᴇᴄʜɴᴏʟᴏɢɪᴄᴀʟʟʏ ᴀᴅᴠᴀɴᴄᴇᴅ

Tiny bits of twisted plant fibres found on an A̳n̳c̳i̳e̳n̳t̳ stone tool indicate that sophisticated cords such as string and...