LifeWasabi could help preserve ancient Egyptian papyrus artefacts Ancient and fragile papyrus samples are at risk of being damaged by fungi, but a wasabi-based treatment can disinfect them without damage News
HumansWhy so many prehistoric monuments were painted red Megaliths, or huge stones, were used for thousands of years to build monuments, and they were far more colourful than you might think – the most common pigments used to decorate them came from reddish cinnabar and ochre News