Re: Organic carbon detected in Bright Angel rock formation on Mars

This is how we search for intelligent life:
https://en.wikipedia.org/wiki/Search_for_extraterrestrial_intelligence

The Waterfall display from an inexpensive Software Defined Radio (SDR) 
module is a fine hobbyist tool for identifying and characterizing 
intelligent content within a wide frequency band of radio signals. The 
downward moving blue area below the spectrum shows its history. For an FM 
radio station the frequency and duration of every musical note is visible.

https://www.sdr-radio.com/3d-waterfall