Designed in 1957, the Helvetica font is an icon of Swiss graphic design, which was a model of sober, functional communication throughout the world in the 1950s and 60s. The balanced and neutral appearance of Helvetica forgoes a high degree of expressivity a quality for which it is both criticized and admired. This polarization has helped to gain it unparalleled notoriety. Helve...(展开全部)

Helvetica is a sans-serif typeface. It is simple and clean, and commonly seen in advertising, signage, and literature. The R has a curved leg, and the i and j have square dots. The Q has a straight angled tail, and the counterforms inside the O, Q, and C are oval. It is an all-purpose type design that can deliver practically any message clearly and efficiently. It is one of the...(展开全部)

Helvetica is a sans-serif typeface. It is simple and clean, and commonly seen in advertising, signage, and literature. The R has a curved leg, and the i and j have square dots. The Q has a straight angled tail, and the counterforms inside the O, Q, and C are oval. It is an all-purpose type design that can deliver practically any message clearly and efficiently. It is one of the...(展开全部)

Winner of the Caldecott Medal Once, all the stories in the world belonged to Nyame, the Sky God. He kept them in a box beside his throne. But Ananse, the Spider man, wanted them -- and caught three sly creatures to get them. This story of how we got our own stories to tell is adapted from an African folktale.

Recounts how most African folk tales came to be called Spider Stories .

Many African stories, whether or not they are about Kwaku Ananse the "spider man," are called, "Spider Stories." This book is about how that came to be. The African storyteller begins: "We do not really mean, we do not really mean that what we are about to say is true. A Story, a story; let it come, let it go." And it tells that long, long ago there were no stories on earth f...(展开全部)

The philosopher Antonio Negri is one of the preeminent thinkers of our time: his writings on class, socialism, and empire have had an enormous influence on contemporary political theory. His political activism and outspoken advocacy for the downtrodden have also placed him at the centre of some of the most dramatic developments in recent Italian history. Story of a Communist—th...(展开全部)

When Craig Gilner gets into Manhattan's exclusive Executive Pre-Professional High School, it's the culmination of a year of intense focus and grinding hard work. Now he has to actually attend the school with other equally high-performing students. Oops. And so the unraveling begins, with a depressed Craig spending more time smoking dope and throwing up than studying. Although m...(展开全部)

Eli Maor 知名科普作家，以色列理工学院博士，曾在芝加哥洛约拉大学教授数学史课程。著有畅销书《三角之美：边边角角的趣事》、《勾股定理：悠悠4000年的故事》、《无穷之旅：关于无穷大的文化史》等。在各国期刊上发表过大量论文，涉及应用数学、数学史和数学教育等领域。

Charles Darwin first visited the Galapagos Islands almost 200 years ago, only to discover a land filled with plants and animals that could not be found anywhere else on earth. How did they come to inhabit the islands? How long will they remain? Thoroughly researched and filled with intricate and beautiful paintings, this video adaptation of the extraordinary book by acclaimed a...(展开全部)