The oldest representational cave painting dates from about 30,000 years ago. Most date from 20,000 years ago or less, in what's called the Upper Paleolithic era. Rocks were ground up to make ...

Israeli researchers from Tel Aviv University proposed a theory explaining the mysterious ... alongside those of adults. "Near many cave paintings, there's clear evidence of children as young ...

The cavers reported the find to local archaeologists who were then led back into the cave. Mexico National Institute of Anthropology and History The summaries below were drafted with the help of ...

the team suspected that the bats would reduce the jamming by quickly dispersing from the cave. Instead, they appear to change their echolocation to a higher frequency, even though in theory that ...