These rubies, a 16.68 mm rough and a 2.72 ct cushion cut, are from Myanmar. Photo by Robert Weldon/GIA, courtesy of the William F. Larson collection. Following the charts for the micro-features of ...

In addition to sterling silver, the earrings come in gold-plated brass and solid gold. Sandeep Salter, owner of Salter House, introduced me to the natural designs of Minnesotan maker Ruby Pierce ...

Besides the ring, she also wore a ruby pendant and drop earrings. Her outfit was so mesmerizing that her co-star Heidi Klum ...

In this story, let’s learn about the colours that can accentuate your darker skin tone, revealing the generally hidden beauty ...

Short articles that focus on some of the key challenges, issues or developments in natural products research. They can be "opinion" style articles, which give the author's perspective on a particular ...

很难用一个列表来描述 Ruby 与 C 或 C++ 代码的不同之处，因为差异相当大。其中一个原因是 Ruby 的运行时帮你做了很多工作。与 C 的“不隐藏内部机制”原则不同——Ruby 的关注点在于将繁重的工作交由运行时，使用者站在运行时的肩上，活的更轻松。除非或直到 ...

这是个不会超过20分钟的 Ruby 简介。阅读前请您先将 Ruby 安装好。（如果您还没有安装Ruby 的话请到 下载区下载并安装。） 刚才是怎么回事啊？难道我们刚写了世界上最短的 “Hello World” 程序吗？ 不是的。第二行显示的只是 IRB 给我们的上一个命令的返回值。

Natural hazards are extreme natural events that can cause loss of life, extreme damage to property and disrupt human activities. Human activities can influence how often certain natural hazards ...

We believe in nurturing curiosity, in pursuing big questions and in solving global challenges. With 15 majors and dozens of programs of study, the College of Natural Sciences at The University of ...

Wearing certain zodiac gemstones can reportedly help you channel your inner power—and these sparkly pieces are the perfect ...

Gotham City's deadliest duo, Poison Ivy and Harley Quinn, are coming soon to Batman fans as collector's edition Barbie dolls ...