Fossils show life on Earth four billion years ago

An international team of scientists has discovered what they say appear to be fossils of bacteria from nearly four billion years ago. It's far earlier than organic life was thought to have evolved on Earth.

by

    An international team of scientists has discovered what they say appear to be fossils of bacteria from nearly four billion years ago. It's far earlier than organic life was thought to have evolved on Earth. The discovery was made along a remote seashore in northeastern Canada. Al Jazeera's Daniel Lak reports.


    YOU MIGHT ALSO LIKE

    Interactive: Take a tour through divided Jerusalem

    Interactive: Take a tour through divided Jerusalem

    Take a tour through East and West Jerusalem to see the difference in quality of life for Israelis and Palestinians.

    Stories from the sex trade

    Stories from the sex trade

    Dutch sex workers, pimps and johns share their stories.

    Inside the world of India's booming fertility industry

    Inside the world of India's booming fertility industry

    As the stigma associated with being childless persists, some elderly women in India risk it all to become mothers.