The writer of a new book about life on Earth seen through the prism of the egg says the age-old paradox actually leads us back a billion years – to the bottom of the oceanThe chicken or the egg? Sometimes, as a zoology author, I am asked this question by the kid at the front with the raised hand and large questioning eyes. Sometimes it’s the older guy at the back with a glint in his eye. Sometimes it’s a student who approaches the lectern at the end of a lecture while everyone else files out.... Read this story