Also: Washington taking a hard line on Chinese pirates. Read these stories and more from around the Web on News.com Extra.

Argues its new service letting subscribers remotely store movies and shows is no different copyright-wise than other DVR products.

Scientists are to study spectacular 'night-shining' clouds thought by some to a harbinger of global environmental change. The spectacular clouds, known as noctilucent clouds, will be probed by NASA's Aeronomy of Ice in the Mesosphere mission, or AIM, to determine why they form and how they change. First spotted in Earth's atmosphere in 1885, the clouds have been increasing in frequency in recent decades and may be related to increases in carbon dioxide and methane emissions tied to human activity on Earth.