白い花のサザンカ (Sasanqua with White Flowers)

　サザンカ（山茶花、ツバキ科）。2011年1月4日、ウォーキング途中で撮影。

Sasanqua; botanical name, Camellia sasanqua; family, Theaceae. The photo was taken on January 4, 2011, during walking exercise.

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

Astrophysics

"New telescopes peer back to birth of first stars." A new network of telescopes will allow astronomers to peer deeper into space than ever before, enabling them to see the first stars and galaxies in the universe being born. Telegraph (January 2, 2011).

Particle Physics

"One year on." By Jon Butterworth, Guardian, "Life & Physics" (January 2, 2011). —"I read two physics books at the end of last year. One by Richard Feynman (QED) and one by Ian Sample (Massive). Both excellent, and both very different. . . ."

Science

"New year, new science." Nature looks at key findings and events that could emerge from the research world in 2011.Nature, News (January 2, 2011). [Retweeted by John Loughlin and Karin Fornazier]

Science and Technology

"20 predictions for the next 25 years." From the web to wildlife, the economy to nanotechnology, politics to sport, the Observer's team of experts prophesy how the world will change – for good or bad – in the next quarter of a century. Observer (January 2, 2011).