chalkandwater:wait what…turns out that pack rats (Neotoma sp.) creates these big middens which they
chalkandwater:wait what…turns out that pack rats (Neotoma sp.) creates these big middens which they urinate on. The urine then crystallizes over time, creating amber-like deposits. Some of the ones found in caves are 50.000 years old and contains intact plant material, allowing scientists to analyse the prehistoric flora. the dark deposits in the middle are 10.000+ year old crystallized rat pisswhat a world -- source link
Tumblr Blog : chalkandwater.tumblr.com
#unsanitary /