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.
In the first half of the program, consumer privacy expert Katherine Albrecht shared updates on tracking technology such as the RFID chip.
In the latter half, author, rock journalist, and paranormal researcher, Susan Masino, discussed the ups, downs, and fantastic stories of the multifaceted rock band AC/DC.