Evidence for carbonate minerals has shown up on Mars in the eroded terrain of Nili Fossae. Formed in the presence of water, such areas might once have provided a suitable habitat for life. More at New Scientist.
Host Connie Willis (email) was joined by Joseph McMoneagle, known as the best Operational Remote Viewer in the history of the U.S. Army's Special Project-- Stargate. First hour guest, Philadelphia author, Thom Nickels (Amazon page), shared weird stories of the founding fathers of the US, including the secret life of Ben Franklin.