Resurrected ancient enzyme offers new window into early Earth and the search for life beyond it

By resurrecting a 3.2-billion-year-old enzyme and studying it inside living microbes, researchers at the University of ...
BBC

A Christmas Carol - Planning your answer

It is always a good idea to plan your answer before you begin writing. Having a plan means you will leave space to make all the points you want to, rather than risk running out of ideas. A plan will ...