The Blood Rain...

 Blood Rain means red rain.The rain with blood perceived to fall from the sky.It is also a surprising things of nature.

Blood Rain have been seen since 1896 in various part of Srilanka and Kerala and last one is happened in 2013 over kerala.1st time the scientist Giuseppe Maria Giovene correctly explained about blood rain .Before 17th century the people believed that it was actually blood and considered as a bad omen,but now a time it is a scientific phenomena.

According to the evolutionary biology and phylogenetic it's cause is the presence of spore of Europian species of green microalgae and it was reported by Austria .Rain is caused by red dust released in water by the presence of micro organism.

1st time in Kerala blood rain occurred in Malabar region on 15th July 1957 and colour is yellow but in 25th July to 23 September 2001 the rain falled in red colour. Similarly June 2012 and 15th November 2012 to 27 December 2012 this rain occurred in Srilanka .Indian government concluded that the rains is red  coloured by spores of a green algae Trentepohlia.

"Blood Rain" a term used for rain carry sand from desert.When rain falls down it looks like red in colour and when in dries off it leaves a thin layer of dust  in land,garden, vehicle etc which is in red colour hence it is called blood rain.

Hearing this term we think that it doesn't occurs in real world but it is really happening and very unbelievable and surprising incident of nature and our environment.