A: A blood moon is a deep reddening of the moon caused by the Earth passing between the moon and the sun. During the period of the eclipse, light from the sun... Full Answer >
Sometimes, bones are the only accessible source of DNA, thanks to their structure, which preserves DNA comparatively well and for a long time. The main problems of DNA extraction from bones are DNA degradation due to environmental factors and the presence of soil-derived inhibitors like humus acids [1â10].
Bones at Winchester Cathedral are thought to belong to ancient monarchs. DNA tests are being carried out to establish who they belong to. Some of the remains are thought to be those of King Canute. The last ancient royal bones discovered were those of Richard III in 2012.