Comment on

• Laser--Raman imagery of Earth's earliest fossils.

  Schopf JW, Kudryavtsev AB, Agresti DG, Wdowiak TJ, Czaja AD. Schopf JW, et al. Nature. 2002 Mar 7;416(6876):73-6. doi: 10.1038/416073a. Nature. 2002. PMID: 11882894
• Questioning the evidence for Earth's oldest fossils.

  Brasier MD, Green OR, Jephcoat AP, Kleppe AK, Van Kranendonk MJ, Lindsay JF, Steele A, Grassineau NV. Brasier MD, et al. Nature. 2002 Mar 7;416(6876):76-81. doi: 10.1038/416076a. Nature. 2002. PMID: 11882895