Time Machine
This rod is a life-saver
Benjamin Franklin's kite experiment yielded shock-absorbing lightning rods.
2003: An ignoble tussle over a Nobel
Twenty years ago, a prize set off an unseemly controversy and cleaved the scientific community.
The 'Seagull' who soared to space
Sixty years ago, Valentina Tereshkova became an unlikely symbol of Soviet space ascendance.
1992: the world's first SMS triggered a communication revolution
Thirty years ago, a simple seasonal greeting changed the way an entire generation communicated.
1962: Rachel Carson broke the silence on a 'killer'
With her explosive 1962 book damning DDT, Rachel Carson launched the global environmental movement.
