The isotopic composition of carbon in iron formations from the Saglek-Hebron Complex in Nunatsiavut (northern Labrador) has been seen as evidence of the earliest traces of life on Earth.

Graphyne is a crystalline form of carbon that is distinct from both diamond and graphite. Unlike diamond, where each atom possesses four immediate neighbors, or graphite, where each atom has three ...

The legal requirements for 'natural occurrence' stipulate that the SWNT must occur spontaneously in nature: that is, it must self-assemble without any assistance from 'man'. Unquestionably, a SWNT ...

The function of many biologically active molecules requires the presence of carbon-nitrogen bonds in strategic positions. The biosynthetic pathways leading to such bonds can be bypassed through ...