Top network posts

• 11 Create a disease that can easily be cured by adopting a custom from another culture
• 10 A huge transparent wall permanently separates two civilisations - what can it be made of?
• 9 In a post-apocalyptic future planet where robots are the only sentient life... why would they use wild-west and WW2-era tech?
• 7 Alien moss with bee-hive like drones and warriors
• 7 Possibility of a large as of yet undetected object headed to intercept our solar system
• 6 Moving between levels in a gigantic tower-world?
• 5 How to blow up a star by accident?
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