天空のイヌ (The Dog in the Sky)

　左向きのイヌが…。2010年12月1日撮影。

There is a left-facing dog . . . The photo was taken on December 1, 2010.

From tweets of yesterday (edited by rephrasing, adding words, etc.)

Astrophysics

[Retweet of Nature Middle East's words] "Qatari team discover new planet," Nature Middle East, News (December 20, 2010) and why this is important, Nature, House of Wisdom (via Nature News&Comment).

[Retweet of PhysOrg Science News's words] "Statistical modeling could help us understand cosmic acceleration." Physorg (December 24, 2010).

Books

"Starry Messenger." New York Times (December 24, 2010). —Owen Gingerich reviews two biographies of Galileo by David Wootton and J. L. Heilbron.

Technology

[Retweet of New Scientist's words] Watch this: "Robot solve Rubik's cube in 15 seconds" (and not by taking it to pieces first, either) New Scientist, Blogs (December 24, 2010).