Atmospheric Changes Caused Snowball Earth
g ABODES - New research might help explain how Earth sprung back after a period of extensive glaciation known as Snowball Earth. The key may have been significant changes in the atmospheric conditions on the planet. See article.
g INTELLIGENCE - The interplay between an infection during pregnancy and stress in puberty plays a key role in the development of schizophrenia, as behaviourists from ETH Zurich demonstrate in a mouse model. However, there is no need to panic. See article.
g IMAGINING - Book alert: What would life on other planets look like? Forget the little green men, alien life is likely to be completely unrecognizable - we haven't even discovered all the life on our own planet. The visionary "Evolving the Alien: The Science of Extraterrestrial Life," by Jack Cohen and Ian Stewart, offers some of the most radical but scientifically accurate thinking on the possibility of life on other planets ever conceived. Using broad principles of Earthly biology and expanding on them laterally, Cohen and Stewart examine what could be out there. Redefining our whole concept of what 'life' is, they ask whether aliens could live on the surface of a star, in the vacuum of space or beneath the ice of a frozen moon. And whether life could exist without carbon or DNA - or even without matter at all. They also look at 'celebrity aliens' from books and films - most of which are biologically impossible. Jack Cohen is an 'alien consultant' to many writers, advising what an alien could and couldn't look like. (E.T. go home - you do not pass the test). But this book is as much about the latest discoveries in Earthly biology as well as life on other planets. It's a serious yet entertaining science book. See article.
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