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2012-06-19 23:47:36

Vast differences in cycling cultures have been found in UK cities; for some cycling is a traditional transport accessible to all while for others it is a new edgy, urban subculture according to recent findings from a research project funded by the Economic and Social Research Council (ESRC).  "We wanted to find out what British cycling cultures were like, what supported them, and what local and national factors continue to exist as barriers", says Dr Rachel Aldred from the University of...

2012-04-30 13:20:26

Evidence that a Florentine merchant house financed the earliest English voyages to North America, has been published on-line in the academic journal Historical Research. The article by Dr Francesco Guidi-Bruscoli, a member of a project based at the University of Bristol, indicates that the Venetian merchant John Cabot (alias Zuan Caboto) received funding in April 1496 from the Bardi banking house in London. The payment of 50 nobles (£16 13s. 4d.) was made so that 'Giovanni...


Latest Bristol Reference Libraries

28_5f496c15049ba89cd8c43810810e311e
2005-05-26 11:32:33

Chalcocite, copper(I) sulfide (Cu2S), is an important copper mineral ore. It is opaque, being colored dark-gray to black with a metallic luster. It has a hardness of 2½ - 3. It is a sulfide with an orthorhombic crystal system. Chalcocite is sometimes found as a primary vein mineral in hydrothermal veins. However, most chalcocite occurs in the supergene enriched environment below the oxidation zone of copper deposits as a result of the leaching of copper from the oxidized minerals. It is...

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Word of the Day
endocarp
  • The hard inner (usually woody) layer of the pericarp of some fruits (as peaches or plums or cherries or olives) that contains the seed.
This word comes from the Greek 'endon,' in, within, plus the Greek 'kardia,' heart.
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