The hypotheses received by Crawford are broadly divided into: -Parts such as chains, gears and ball bearings require advanced technology and cost to produce, and technology has not kept pace. The ...

Cycling isn't just for hipsters and hippie-granola types any more. Riding a bike is rapidly becoming one of the most popular ways to commute in the world. It's part-environmental concern, part-get fit ...

In a nation-wide online survey conducted by BBC Radio 4's You and Yours programme, looking at the most significant innovations since 1800, the humble bicycle has won its second title as the people's ...

200 years ago, Mount Tambora exploded and changed the world. The cloud of ash and sulfur dioxide caused the Year Without Summer in 1816, a year so cold that crops failed around the world, causing ...