What university do you go to? http://redtube.in.net/ red tu âWe find that organics are not likely preserved in surface soils, which are exposed to harsh radiation and oxidants,â said Leshin. âWe didnât necessarily expect to find organic molecules in the surface fines, and this supports Curiosityâs strategy of drilling into rocks to continue the search for organic compounds. Finding samples with a better chance of organic preservation is key.â