Many people remember the colors of the rainbow by the acronym ROY G. BIV. For red, orange, yellow, green, blue, indigo and violet. Well, the color indigo just made news. Indigo gets its name from the plant Indigofera tinctoria and its relatives, whic

发表于:2018-12-24 / 阅读(60) / 评论(0) 分类 2016年Scientific American(九)月

Australian scientists say an organic compound used by Indian women to paint dots or bindi on their foreheads could hold the key to a breakthrough in cancer treatment. Rose Bengal was first used in the early 1900s as a dye for food, textiles and cosm

发表于:2019-01-11 / 阅读(51) / 评论(0) 分类 VOA标准英语2008年(八月)

MIKE TAIBBI: What's not to love? So beautiful, colorful, mesmerizing in their movementsminiature works of living art that can thrive and entertain for years! They're, Koles, Longnose Butterflies, and a variety of TangsImmortalized by Hollywood in the

发表于:2019-01-27 / 阅读(59) / 评论(0) 分类 PBS访谈商业系列

DEVELOPMENT REPORT - Bringing Color to Life With Natural Dyes By Jill Moss Broadcast: Monday, August 15, 2005 I'm Barbara Klein with the VOA Special English Development Report. Dye can bring a little

发表于:2019-01-30 / 阅读(74) / 评论(0) 分类 农业与发展

高温天气下树木竟然会污染环境! Normally, trees are the best defence against pollution; but when it's too hot outside, the trees' own self-defence mechanism may actually make things worse。 正常情况下,树木是抵御污染

发表于:2019-02-01 / 阅读(126) / 评论(0) 分类 阅读空间

An investigation has revealed six garment manufacturers in Shanghai have made school uniforms using toxic dye. The city's quality watchdog says it found aromatic amine dye in uniforms sold to 21 primary and middle schools across the city. China's nat

发表于:2019-02-14 / 阅读(62) / 评论(0) 分类 英闻天下