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How to protect papyrus, paper (and later parchment) collections from bugs is a topic that already Aristotle was interested in and that kept librarians busy through the centuries. [19] The term bookworm is also used idiomatically to describe an avid or voracious reader, [20] or a bibliophile.
The essential oil of the Japanese cedar Cryptomeria japonica has been investigated as a repellent and insecticide against L. saccharinum, with promising results: filter paper impregnated with oil repelled 80% of silverfish at a gas concentration of 0.01 mg/cm 3, and an exposure of 0.16 mg/cm 3 for 10 hours caused a 100% mortality rate. [25]
The contamination of paper money is not limited to simply that of cocaine and other illicit drugs. Health officials in the UK warn that a silent Hepatitis-C epidemic could be brewing. Drug users with hepatitis who share with others the rolled paper note (or straw) used to snort cocaine can facilitate the transfer of the disease to thousands.
A solid serial number is one where every digit is the same, like 55555555. Only about one out of every 11 million notes is a solid, and they can be worth $500 or more.
Beetle collection at the Melbourne Museum, Australia. Insect collecting refers to the collection of insects and other arthropods for scientific study or as a hobby. [1] Most insects are small and the majority cannot be identified without the examination of minute morphological characters, so entomologists often make and maintain insect collections.
Psocoptera (/ s oʊ ˈ k ɒ p t ər ə /) are a paraphyletic group of insects that are commonly known as booklice, barklice or barkflies. [1] The name Psocoptera has been replaced with Psocodea in recent literature, with the inclusion of the former order Phthiraptera into Psocodea (as part of the suborder Troctomorpha).
The result is that paper money would often lead to an inflationary bubble, which could collapse if people began demanding hard money, causing the demand for paper notes to fall to zero. The printing of paper money was also associated with wars, and financing of wars, and therefore regarded as part of maintaining a standing army. For these ...
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