Additional Discoveries at Cissbury.

Discoveries at Risk

Additional Discoveries of Aboriginal Rock Carvings in Tasmania

After several visits to the area rock workings were found on the southern slope of a high dolerite ridge known locally as "Billy Blue". They were ona large sand-stone rock measuring approximately sixty yards long and four yards wide. It faced west and was on the eastern bank of a creek bed which, though normally dry, has a permanent soakage at its mouth some fifty yards below the carved rock. A...

New discoveries at the interface of boron and carbon chemistries*

The continued growth of polyhedral borane chemistry is illustrated by the successful synthesis of [closo-B12(OH)12] 2– by the H2O2 oxidation of [closo-B12H12] 2–. The hydroxylated species reacts with common organic reagents to produce 12-fold degenerately substituted carboxylate esters, ethers, and carbamate esters. The ether derivatives undergo facile and reversible redox reactions in which th...

From the Workshop of Discoveries From the Workshop of Discoveries

Monument to the discoveries.

A week ago I was standing with my wife by the River Tagus in Lisbon, next to the Monument to the Discoveries. The monument is at the spot where Vasco da Gama set out to discover the southeast passage from Europe to Asia, past the Cape of Good Hope. Vasco’s discovery marked the beginning of the Portuguese maritime empire. At the furthest tip of Europe, Portugal was perfectly situated to found su...