Share 'Why some interesting things happen in Nature according to science'

We come across some interesting things happening in Nature now and then and sometimes all the time. The media goes into overdrive. Stories, speculations and explanations run amok. But the wise call the scientists to explain things.  We here stick strictly to science. Let us see what scientists say about these interesting things... Red Rainbows: Do you think rainbows are only multicoloured? Yes?…