A batshit experiment: bones cooked in bat poo lift the lid on how archaeological sites are formed
Archaeologists in the guano layer at Con Moong Cave in North Vietnam. Conor McAdams, Author provided Many caves are filled with sediments containing the excrement of birds and bats. This forms phosphate-enriched deposits known as guano — essentially, piles of ancient poo. At Con Moong Cave in northern Vietnam, we wanted to discover more about the first modern humans ( Homo sapiens) to arrive in Southeast Asia. The cave was full of surprises, including a thick layer of soaking wet guano. We designed a laboratory experiment to better understand whether waterlogged ...
Source: theconversation.com