In terms of sophistication, polarized light microscopescan be categorized into three levels: small, highlycapable microscopes designed for education or basicanalytical work; laboratory grade, which allows fullpolarized light forensic analysis; and high grade laboratoryinstruments, which are also used for research.
The Okapi (Okapia johnstoni) is a mammal located in the Ituri Rainforest in the north east of the Democratic Republic of the Congo in central Africa. Although it has striped markings similar to those of the zebra, it is more closely related to the giraffe.he Okapi (Okapia johnstoni) is a mammal located in the Ituri Rainforest in the north east of the Democratic Republic of the Congo in central Africa. Although it has striped markings similar to those of the zebra, it is more closely related to the giraffe.
Koi (é¯, English /ËkÉÉª/, Japanese: [koêi]) or more specifically nishikigoi (é¦é¯, [niÉiÌ¥kiêÉ¡o.i], literally brocaded carp) , are a group of fish that are ornamental varieties of domesticated common carp (Cyprinus carpio) that are kept for decorative purposes in outdoor koi ponds or water gardens.