They can be tight, flared, ripped at the knee. Jeans come in all styles and colours these days, but one hue will always be synonymous with the world's favourite garment: indigo blue.
To satisfy the world's seemingly insatiable demand for blue denim, more than 45,000 tonnes of indigo dye are produced every year, with much of the waste making its wayRead more
Supple, light and biodegradable but stronger than steel: researchers said Monday they have succeeded in producing synthetic spider silk, one of nature's strongest materials.
Refined through the long process of evolution, the silk threads spun by spiders are 30 times thinner than a human hair and stronger even than Kevlar, a synthetic fibre used in making bullet-proof vests.
Scientists haveRead more