[blam]

"Humans left Africa 60,000 years ago,a nd were in Australia by 50,000 years ago. These prints are less than half that old."

Ahem. Humans left Africa 90,000 years ago and were in Australia 60,000 year ago.

[Bubbatuck]

heheh... There are different assessments. I used National Geographic's. The 60,000 year figure is quoted here.

https://www3.nationalgeographic.com/genographic/atlas.html

But naturally, this is a field still under study, and different researchers have different timelines.