Technology Sharing lightens the download TYPICAL. You fight tooth and nail to bury a technology, arrest almost 3000 people using it for nefarious purposes, and then along comes some smart alec who says you got it all wrong. The same technology could make your fortune and have huge benefits for consumers, too. And on this occasion that smart alec is … News
Humans Washington diary HE HAS been rightly eulogised as an American patriot with an enduring optimism about the future of his country. But Ronald Reagan's optimism sometimes caused him to see more promise in projects than clear scientific assessment suggested they deserved. Take his ideas for a strategic defence: Reagan called on scientists to build an impenetrable shield … Opinion
Psychic birds (or what?) His elder brother was a big-game hunter, but bird-enthusiast Edmund Selous had a horrorof killing. In the earlyyears of the 20th century he made himself a pariah in the ornithological world through histirades against shooting wild birds and collectingtheir eggs. Surviving on a small private income, he spent his days watching birds and recording his … Features
The word infrasound YOU CAN'T hear it, which may be a good thing. Infrasound has a frequency below the lower limit of human hearing (about 20 hertz), and is emitted by just about every turbulent natural event on Earth, and some unnatural ones. If we could hear it, we'd be subject to a constant cacophony. If it isn't … Books & Arts
Feedback DINOSAUR footprints look pretty durable. They were made in mud, but by the time palaeontologists find them the mud has turned to rock. Inevitably, the footprint wears away over the years, but they still seem substantial enough to withstand natural assault. Or so South African palaeontologist Theagarten Lingham-Soliar thought. When he found a rare metre-wide … Regulars