SCP-003 is a Euclid Class anomaly also known as the Biological Motherboard. SCP-003 is a motherboard that appears to be composed of chitin, hair, and nails of unknown biology. SCP 003 is capable of controlled emissions of radiation, including heat, light, and anomalous radiation types. SCP003 contains an internal power source of an anomalous nature, which appears to have been losing power since several centuries before discovery. So then why is this living motherboard so dangerous and hard to co