Last week I blogged about stone age superglue. Well, scientists who have tried creating it found it was much more difficult to make than they had previously suspected.
“I thought I was stupid, I just couldn’t get it right,” said Lyn Wadley, an archaeologist at Wits University.
The ancient recipe included coarse red ochre, acacia gum and even a bit of sand. Sometimes a bit of animal fat was thrown in. Getting the right mix was just the first step, as the prehistoric adhesive had to be dried next to a fire.