"More than 3.5 billion years ago, small single-celled organisms acquired the capacity to photosynthesize" "Plants were restricted to the aquatic world until three billion years later, the first uncontroversial evidence for life is found 2,700,000,000 years ago.The reference relates to sulphate and iron reduction as early forms of microbial respiration.
It is suggested that analysis of sedimentary pyrite from the Belingwe sedimentary basin in Zimbabwe may provide evidence for bacterial reduction at this date.
2,500,000,000 to 542,000,000 years ago The Proterozoic Eon: the most recent part of the Precambrian Supereon.
Iraqis looted virtually everything in their country after Hussein's government fell Interim Iraqi Culture Minister Mufid al-Jaza'iri has announced that the ancient city of Babylon will be closed to visitors until experts can catalog the extent of damage U. The report's findings have triggered numerous media reports and the condemnation of archaeologists.
A new report by the prestigious British Museum finds that troops who used the site as a military base did irreparable harm to one of the world's foremost historical treasures.
With generous support from the Asfari Foundation, the multiyear Arab World Horizons project, led by the Middle East Program at the Carnegie Endowment for International Peace, aims to shed light on the deeper trends driving these turbulent events.