- Half as heavy as a human skull
- Half as thick as a human skull
- Twice as durable as a human skull
- Back of skull is flattened
- No sinus cavities
- 200 cm larger than the average adult’s brain
Scientists say this is a Grey Alien’s skull! You know the one that is famous being amputated at Area 51 or Area S4. IY had large eye sockets, barely a nose, a large, round head that is flattened in the back, and an extremely short neck.