The sun released a huge X-class flare on Monday night, the largest in six years. The coronal mass ejections aren't expected to cause damage but could lead to widespread auroras. More at National Geographic News.
Dr. Bill Miller, a physician in academic and private practice for over 30 years, discussed how the self is composed of a vast interdependent network of cells and microbial ecologies.
In the latter half, space historian and C2C Science Advisor Robert Zimmerman provided updates on various space missions and news, and technological developments.