A Roman law code manuscript dating to 6th century has been discovered within a book binding of 1537 copy of Hesiod’s of “Works and Days” using a combination of imaging techniques, including visible-light hyperspectral imaging, and X-ray fluorescence imaging.
Scientists are trying to recognise the chemical elements used in painting of Greek vessels through X-ray imaging. The spots marked in blacks, reds and whites can be identified as particular elements, such as iron, potassium, calcium and zinc.
At a site in Alaska, archaeologists discovered artefacts dated to between 1100-1300 AD. Some of them are of Asian origin, indicating presence of trade between people of both continents 700 years ago.