By John Solomon
How the government's punishing of the exposure of official wrongdoing can linger for years

In August 1914, Ernest Shackleton, the British explorer, sailed to the Antarctic with the bold objective of being the first to walk across the frozen continent from the Weddell Sea to the Ross Sea, crossing the South Pole.
Google's online mapping service is incorporating additional images from Antarctica.

The Texas State Board of Education delivered a blow to social conservatives Friday, giving final approval to supplemental high school science materials after a brief flare-up over some lessons teaching the principles of evolution.
Texas students can now download podcasts, videos and other multimedia lessons directly from iTunes through a new online program aimed at providing free, supplementary coursework that can be accessed anywhere, state officials announced Tuesday.
Already, 146,000 teachers have signed up to participate and formed 5,000 subject groups, said Education Commissioner Robert Scott.
The state has partnered with PBS, the Smithsonian Institution and the National Archives, Scott said.