What if Shadows Disappeared?
Firstly, if shadows disappeared, makers of horror movies will be severely disappointed, they will have to think of new ideas of scaring people.
Secondly, if shadows disappeared, people may start missing shadows so much that they may start looking for old pictures or videos wherein shadows were still visible.
Thirdly, if shadows disappeared, solar or lunar eclipse will not occur anymore, stars and planets will get extremely confused.
Fourthly, humans as well as animals usually rest under a tree in order to escape from sun's blistering heat, if shadows disappeared, it will not be easy to avoid sun's heat anymore.
Lastly, if shadows disappeared, science teachers may have to remove this topic, history teachers may include it in their teaching.