CrowdScience - How to make 200,000 year old glue - Â鶹Éç Sounds
CrowdScience - How to make 200,000 year old glue - Â鶹Éç Sounds
How to make 200,000 year old glue
Dr Geeske Langejans describes how to make prehistoric glue from birch bark
Dr Geeske Langejans describes how to make prehistoric glue from birch bark