Tagged: life

Origins of Life: Timeline, and Research

The problem of the origin of life is still unsolved, and we face many open questions. The research into the origins is one of the fascinating stories in recent history, and we still have a lot to discover. Below you will find first a timeline of the earliest events, then a timeline of the scientific progress. The source for it is Prof. Hazen’s textbook for the Course “Origins of Life,” from the Teaching Company. At the bottom of the page there is a video lecture where Prof. Hazen explains the journey. Timeline of Events in Life’s Origins 4.55 billion years...

What is life?

The study of life is the domain of biology as a natural discipline. Biology examines all living organisms, and focuses on structure, function, growth, evolution, distribution, as well as the taxonomy of life forms. Life itself is hard to define, because there is such an extraordinary diversity in its manifestations. It is more like a process, rather than a substance or state. Is it possible to develop a definition for life? Is there something that is common to all life? A good definition must be broad enough to encompass all known life forms, as well as leave room for the forms of...