Questions with the keyword 'extinct'

• could dinosaurs ever come back? by outl4w to Alan, Caspar, Murray, Sarah Comments: (No comments so far )
• will humans ever become extinct by webber13 to Alan, Caspar, Diana, Murray, SarahCategory: General Comments: (so far, 10s comments )
• would it be possible to use semi consious robots to replace certain aninmals in a ecosytem if they became extinct( to by bdrchung9000 to AlanCategory: Your Research Comments: (so far, 2s comments )