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Latest Mollusc shell Stories

2014-06-19 13:00:09

University of York A new study by scientists at the University of York has shed new light on the use of mollusc shells as personal adornments by Bronze Age people. The research team used amino acid racemisation analysis (a technique used previously mainly for dating artefacts), light microscopy, scanning electron microscopy and Raman spectroscopy, to identify the raw materials used to make beads in a complex necklace discovered at an Early Bronze Age burial site at Great Cornard in...

2011-02-02 21:08:27

Nacre, commonly known as mother-of-pearl, is the iridescent material lining many mollusk shells. It is part of a two-layer armor system that protects the animal from predators. The brittle outer layer of the shell absorbs the initial impact, but is prone to cracking. To prevent these cracks from catastrophically propagating through the shell to the animal itself, the nacreous layer is surprisingly strong and tough, with outstanding crack arresting properties. Thus it acts as a lining to...

2009-04-10 08:44:35

The enchantingly colored seashells that lend beaches their charm could also provide information about how the brain converts memories and sensory information into action, according to research from the University of California at Berkeley and the University of Pittsburgh published online April 7 in the "Proceedings of the National Academy of Sciences" ("PNAS"). G. Bard Ermentrout, a University Professor of Mathematics at Pitt, worked with the paper's lead author, Berkeley graduate student...


Latest Mollusc shell Reference Libraries

Conchology
2013-10-02 11:16:44

Conchology, a branch of malacology, is the study of mollusk shells including seashells, freshwater and land mollusk shells, and gastropod operculums. Conchologists, those who practice conchology, study the shells four main groups of mollusks including bivalves and gastropods as wells as chitons and tusk shells. The study of mollusk is shells is sometimes thought to be outdated, because a species as a whole cannot be understood by one aspect, but shells have been known to provide important...

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Word of the Day
sough
  • A murmuring sound; a rushing or whistling sound, like that of the wind; a deep sigh.
  • A gentle breeze; a waft; a breath.
  • Any rumor that engages general attention.
  • A cant or whining mode of speaking, especially in preaching or praying; the chant or recitative characteristic of the old Presbyterians in Scotland.
  • To make a rushing, whistling, or sighing sound; emit a hollow murmur; murmur or sigh like the wind.
  • To breathe in or as in sleep.
  • To utter in a whining or monotonous tone.
According to the OED, from the 16th century, this word is 'almost exclusively Scots and northern dialect until adopted in general literary use in the 19th.'
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