"There is nothing about the soil that would preclude life. In fact it seems very friendly," said Samuel Kounaves, the project's lead chemist at the University of Arizona in a telephone press conference.
"The soil you have there is the type of soil you have in your backyard," said Kounaves. "You may be able to grow asparagus very well."
[. . .]
"We basically have found what appears to be the requirements of the nutrients to support life, past, present or future," said Kounaves.
This is heartening news, but I can't say I'm particularly surprised.
To NASA: Next time send a fucking microbiology lab!
(Thanks to David Biedny.)