ベニスモモの葉 (Leaves of Purple Cherry Plum)

　種々の木々の紅葉した葉が散ってしまった中で、ベニスモモの葉がなおりりしく、青空を背景に輝いていた。2010年12月4日、堺市西区・鳳公園で撮影。

After autumn leaves had fallen from different trees, the leaves of purple cherry plum were still showing their beautiful colors against the blue sky. The photo was taken on December 4, 2010, at Ōtori Park, Nishi-ku, Skai.

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

Arts

[Retweet of Cliff Pickover's words] Conversion of bird positions to transcendent music: "Birds on the Wires," Vimeo (September 4, 2009).

Astrophysics

"The best NASA photographs of 2010." The New Yorker Photo Booth (December 13, 2010) (via Andrew Jones).

Materials Science

"A molecule-sized light switch." Physical Review Focus (December 27, 2010). Reference: "Reversible bond formation in a gold-atom–organic-molecule complex as a molecular switch," Fabian Mohn et al. Physical Review Letteers (to be published).

Medical Science

"Interdisciplinary research partnerships set out to uncover the physics of cancer." Scientific American (Dec 27, 2010). [Retweeted by Fermin Aceves]

Philosophy

"New Year's resolution: I will believe in free will," by John Horgan, Scientific American (Dec 27, 2010).

Science and Technology

"Readers' choices: Top 10 Scientific American stories of 2010." The trends are interactive features, technology, health and the human experience. Scientific American (December 25, 2010).