• Just watched a Youtube video ghosts and it says that you might actually see a ghost which doesn't exist, generally, the freq waves of ocean or an electric fan at a certain range can actually take up an image of human or appearance and makes us feel something is there even if isn't.This was told by a man who has highest experience in paranormal research
• GeoEngineering - cheat code for climate change? kind of!! here we emit sulphur and other aerosols in the stratosphere where it will reflect sunlight and reduce the temperature on earth. but it too has side effects where it might cause acid rains and also draught. Hence we cant totally rely on it too.

Biology of money

History and philosophy of science