A former soldier, he joined the Merry Pranksters and learned business skills from hippie drug dealers. He gave away profits from his successful publishing venture, moved into computers and is currently raising funds to catalogue every species on the planet. Andrew Brown on an influential, highly idiosyncratic American thinker
Scientists are searching the skies for Earth destroyers - not bug-eyed aliens, but asteroids that could hit home any time soon. Is the
end of the world just a stone's throw away? Bill McGuire finds out
In a recent survey, 25% of Americans said they believed that humans have yet to walk upon the moon. Why do so many people believe such a notion and is there any hard evidence to convince them otherwise? Yes there is, writes Dr Matthew Genge.