Scientists have found the oldest known drawing in history -- and it looks #familiar. The 73,000-year-old red cross-hatch pattern looks just like a hashtag, also recognizable as the US pound sign, the ...

Archaeologists who excavated a seaside cave in South Africa have discovered what they say is the world's oldest drawing. It is an abstract pattern, a crosshatch of red lines, like a hashtag, on a rock ...

Leslie Katz led a team that explored the intersection of tech and culture, plus all manner of awe-inspiring science, from space to AI and archaeology. When she's not smithing words, she's probably ...

Researchers have reported the discovery of the oldest known drawing in a cave on the southern coast of South Africa, according to a study published in the journal Nature. The drawing, which takes the ...

PARIS — It may be a symbol of the internet age, but scientists in South Africa have found an ancient hashtag scrawled on a piece of rock that they believe is the world's oldest "pencil" drawing. The ...

This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American Hashtags have become a standard in ...