2sides：
advantages：make life better
bring people closer(invention of some communication tools)
heal the world(help earth to recover from the damage)
know the world and the universe
enjoyness
cure diseases
disadvantage:pollution
more damage when having a war
distory nature
develop science,use it in the way that good for both human and nature,pay attention to not doing harm to nature,try to use science to cure the damage did by us
可能要调整一下一些观点的位置什么的~LZ自己看吧~