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Irregular snow crystal (I) – Subdivided into: Ice particle, rimed particle, broken piece from a crystal, miscellaneous; Germ of snow crystal (G) – Subdivided into: Minute column, germ of skeleton form, minute hexagonal plate, minute stellar crystal, minute assemblage of plates, irregular germ; They documented each with micrographs. [26]
Both genera are known as snowflakes. [5] Leucojum is a compound of Greek λευκος, leukos "white" and ἰόν, ion "violet". [5] The spelling Leucoium is also used. In addition to the common name snowflakes, the two Leucojum species are also known as St. Agnes' flower, [5] for patron saint of virgins and gardeners, [5] [6] and snowbells. [7 ...
The hexagonal snowflake, a crystalline formation of ice, has intrigued people throughout history.This is a chronology of interest and research into snowflakes. Artists, philosophers, and scientists have wondered at their shape, recorded them by hand or in photographs, and attempted to recreate hexagonal snowflakes.
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Snow can be compacted to form a snow road and be part of a winter road route for vehicles to access isolated communities or construction projects during the winter. [78] Snow can also be used to provide the supporting structure and surface for a runway, as with the Phoenix Airfield in Antarctica. The snow-compacted runway is designed to ...
The earliest evidence for life on Earth includes: 3.8 billion-year-old biogenic hematite in a banded iron formation of the Nuvvuagittuq Greenstone Belt in Canada; [30] graphite in 3.7 billion-year-old metasedimentary rocks in western Greenland; [31] and microbial mat fossils in 3.48 billion-year-old sandstone in Western Australia.
The animal kingdom is full of creatures with excellent memories because having a good memory increases their chance of survival. Some of the animals with the best memories are dolphins that can ...
Snowflake was a western lowland gorilla with non-syndromic oculocutaneous albinism. [8] [9] [10] He had poor vision, though tests to determine whether he had a central blind spot did not find one. [11]