Oil Habit Unchanged on Two-Year Anniversary of BP’s Gulf of Mexico Spill | Observations, Scientific American Blog Network

http://blogs.scientificamerican.com/observations/2012/04/20/oil-addiction-two-year-anniversary-bp-gulf-oil-spill/

When It Comes to Solar Storms, We Don’t Even Know How Bad It Might Get | Observations, Scientific American Blog Network

http://blogs.scientificamerican.com/observations/2012/04/18/when-it-comes-to-solar-storms-we-dont-even-know-how-bad-it-might-get/