<p>One of Britain's foremost astrobiologists offers an accessible and game-changing account of life on Earth.<br><br>__________________<br><br>Why is all life based on carbon rather than silicon?<br><br>And beyond Earth, would life - if it exists - look like our own?<br><br>__________________<br><br><br>The puzzles of life astound and confuse us like no other mystery. But in this groundbreaking book, Professor Charles Cockell reveals how nature i...