yellow and blue butterfly in top view

>For other uses, see Butterfly (disambiguation). Superfamily Hesperioidea:HesperiidaeSuperfamily Papilionoidea:PapilionidaePieridaeNymphalidaeLycaenidaeRiodinidae A butterfly is a flying insect of the order Lepidoptera belonging to one of the superfamilies Hesperioidea (the skippers) and Papilionoidea (all other butterflies). Some authors would include also members of the superfamily Hedyloidea, the American butterfly moths. Many butterflies have striking colours and patterns on their wings. When touched by humans they tend to lose small numbers of scales, that look like a fine powder. If they lose too many scales the butterfly's ability to fly will be impaired. People who study or collect butterflies (or the closely related moths) are called lepidopterists. Butterfly watching is growing in popularity as a hobby. See more at Wikipedia.org...

[hree-letter%20acronym">three-letter acronym that can mean:Adaptive resonance theoryAdvanced Rapid Transit metro technologyassisted reproductive technologyAnaheim Resort TransitIATA airport code for Watertown International AirportISO 639 alpha-3 code for otherwise unassigned artificial languagesThe National Rail code for Arrochar and Tarbet railway station, United Kingdom. External links: ; ; . Antiretroviral therapy. It is used in the treatment of HIV infection. See more at Wikipedia.org...]

[ext-mode MS-DOS multitasker written by IBM and released in 1985. In order to compete with various other graphical environments, IBM announced TopView before it was finished, around the time they shipped their new PC AT computer (in 1984).IBM considered that in order to harness the great power and memory capacity of the new machine (Intel 80286 with a 6 MHz clock and, in version 02, with 512 KB of RAM), some multitasking environment was necessary. TopView allowed IBM to sweeten the deal with customers, who were surprised that the new and very expensive machine did not come with an operating system able to use the hardware multitasking and protected-mode features of the new CPU, and was still running in 8088 emulation mode. However, TopView proved unnecessary to sell the new machines, and was quickly EOL-ed. See more at Wikipedia.org...]