Ask ten licensed professionals to explain how the different“levels of evidence” are ranked, and you are likely to get ten different answers. One might say“risk of bias.” Another might say“internal ...

The pyramids may have been built using a sophisticated hydraulic system, according to a new study in Egypt. Evidence of ancient Egyptians using water pressure to lift stone blocks was discovered at ...

It’s no secret that the ancient Eygptians were fairly technologically advanced for their day, but new research suggests that at least one pyramid was built using surprisingly sophisticated tech: ...