Periodic table of elements. ... the 63 known chemical elements were scattered without a coherent system, ... Upon checking on a Petri dish of Staphylococcus bacteria he had left in his lab, ...

Further Reading The Periodic System of Chemical Elements: A History of the First Hundred Years. J. W. van Spronsen. Elsevier, 1969. The Surprising Periodic Table: Ten Remarkable Facts.

"Silicon can also do many of the things that carbon can do, but I think carbon wins out on the basis of merit. It's better at forming very complex molecules," said Dr. Seth Shostak, the senior ...

To discern the influence of such bacteria on ancient rocks, scientists look for a lower-than-normal concentration of the isotope sulfur-34 relative to that of sulfur-32.

New GPS system for microorganisms could revolutionise police work. Lund University. Journal Genome Biology and Evolution DOI 10.1093/gbe/evae209. Keywords /Research methods/Forensic analysis/ DNA ...