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All articles starting with M

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Mountain Dew

Mountain Dew, the citrus soft drink PepsiCo has owned since buying the Tip Corporation in 1964; originated in 1940s Knoxville, reformulated circa 1961 in Marion, Virginia; 54 mg caffeine and 46 g sugar per 12 fl oz can.

Mountain forest

Mountain forest: forests at 2,500 m+ or on steep 300–2,500 m terrain (FAO definition), about 900 million hectares, 20% of world forest cover, on every continent except Antarctica; key protection forests against avalanches, landslides, and floods.

Mountain formation

Mountain formation, called orogeny or mountain building, is the set of geological processes that build mountain ranges, chiefly through the collision and convergence of tectonic plates.

Mountain goat

The mountain goat (Oreamnos americanus), or Rocky Mountain Goat, is a white-coated hoofed mammal native to northwestern North America, known for climbing steep rocky cliffs with remarkable agility.

Mountain gorilla

Mountain gorilla (Gorilla beringei beringei), an Endangered eastern gorilla subspecies living only in the Virunga Massif and Bwindi, Uganda; over 1,000 remain, the only increasing great ape population, with about 40% multimale groups.

Mountain Interval

Mountain Interval is a 1916 poetry collection by Robert Frost, his third book and first published in the United States, opening with "The Road Not Taken".

Mountain Jews

Mountain Jews (Juhur) are a Jewish ethno-linguistic group of Dagestan and Azerbaijan speaking Juhuri (Judeo-Tat), an Iranian language; reclassified as "Tats" under Soviet rule, with Red Village in Azerbaijan their best-known settlement.

Mountain Journey

Mountain Journey (Shan xing, 山行) is a seven-character quatrain by the Tang dynasty poet Du Mu that describes an autumn mountain scene and ends by calling frost-touched maple leaves redder than spring flowers.

Mountain Life

Mountain Life (Yama no Jinsei, 山の人生) is a 1926 book of Japanese folklore studies by Yanagita Kunio, gathering tales of the mountain god, spirit abduction, and the tengu.

Mountain lions in the Santa Monica Mountains

Mountain lions (Puma concolor) in the Santa Monica Mountains, an isolated NPS-studied population near Los Angeles; famous lion P-22, low genetic diversity, rodenticide and vehicle deaths, Wallis Annenberg Wildlife Crossing.

Mountain man

Mountain man (period term: mountaineer): a beaver trapper living year-round in the Central Rocky Mountains c. 1824–1840 within the Rocky Mountain fur trade; distinct from voyageurs and coureurs des bois; ended by silk hats, beaver depletion, and the buffalo-robe trade.

Mountain Meadows Massacre

Mountain Meadows Massacre: September 1857 killing of about 120 Baker-Fancher emigrants from Arkansas by the Mormon Iron County Militia and purported Paiutes in southern Utah; John D. Lee convicted and executed 1877.

Mountain Men (TV series)

Mountain Men is an American reality television series on History that premiered in 2012, following men in Appalachia, the Rocky Mountains, and Alaska as they prepare for winter.

Mountain Monsters

Mountain Monsters: American reality series (2013, eight seasons) following the AIMS team of West Virginian trappers hunting Appalachian cryptids like Mothman and Grassman on Destination America, Travel Channel, and Discovery+.

Mountain nyala

Mountain nyala (Tragelaphus buxtoni), an endangered antelope endemic to Ethiopia's Bale, Arsi, and Ahmar Mountains, living at 1600–4300 m; IUCN lists 1500–2500 mature individuals, down from 7000–8000 in the 1980s, threatened by livestock, habitat loss, and poaching.

Mountain pass

Mountain pass: a gap or break in a mountain ridge formed by glacial or stream erosion, also called col, saddle, or gap. Key facts: saddle shape, trade and military routes like the Khyber Pass, seasonal closures, avalanche control, and wildlife crossings.

Mountain pass theorem

The mountain pass theorem is a result in the calculus of variations, proved by Ambrosetti and Rabinowitz in 1973, guaranteeing a critical point of a functional.

Mountain pine beetle

Mountain pine beetle (Dendroctonus ponderosae), a western North American bark beetle that kills pines via pheromone-coordinated mass attacks and blue-stain fungi; its 2000-2015 outbreak was the largest recorded.

Mountain pine beetle epidemic in British Columbia

The mountain pine beetle epidemic in British Columbia was a bark beetle outbreak from the late 1990s to 2015 that killed most of the province's mature lodgepole pine.

Mountain Railways of India

Mountain Railways of India is a serial UNESCO World Heritage Site (1999, 2005, 2008) uniting the Darjeeling Himalayan, Nilgiri Mountain, and Kalka Shimla railways, three operational 19th-century hill railways recognized under criteria (ii) and (iv).

Mountain range

Mountain range: a linear chain of related mountains formed mainly by tectonic plate collision, subduction, rifting, or volcanism, eroded over millions of years; examples include the Himalayas, Appalachians, and Rockies, and ranges supply water to half of humanity.

Mountain reindeer

Mountain reindeer (fjellrein, Rangifer tarandus tarandus), the wild tundra reindeer of southern Norway, Europe's last wild population of the subspecies, about 25,000 animals, threatened by habitat fragmentation and chronic wasting disease.

Mountain Resort and its Outlying Temples, Chengde

Chengde Mountain Resort (避暑山庄) and its Outlying Temples: Qing dynasty summer palace complex in Hebei, built 1703–1792, largest imperial palace-garden and temple complex in China, UNESCO listed 1994.

Mountain states

Mountain states, also called the Mountain West or Interior West, are the eight states of the U.S. Census Mountain division: Arizona, Colorado, Idaho, Montana, Nevada, New Mexico, Utah, and Wyoming, with about 26.3 million residents in 2025.

Mountain Time Zone

The Mountain Time Zone, a North American zone keeping Mountain Standard Time (UTC−7), lies between the Central and Pacific zones, and most of Arizona stays on it year-round.

Mountain Valley Gas Pipeline (MVP)

The Mountain Valley Gas Pipeline, or MVP, is a 303-mile natural gas pipeline from West Virginia to Virginia, completed in 2024 at a cost of $7.2 billion.

Mountain View, California

Mountain View, California, a Santa Clara County city in Silicon Valley between Palo Alto and Sunnyvale; population 85,438 (2025 est.), home to Google's headquarters and NASA Ames, with median household income $189,917.

Mountain West Conference

Mountain West Conference (MWC): NCAA Division I FBS athletic conference founded July 1, 1999, headquartered in Las Vegas; commissioner Gloria Nevarez; 2026-27 members include Air Force, UNLV, San Jose State, Hawaii and UTEP; six-year CBS/Fox/Kiswe media deals through 2031-32.

Mountaineer Gas Pipeline

The Mountaineer Gas Pipeline is a natural gas distribution pipeline in West Virginia's Eastern Panhandle, built in phases, whose final Potomac Pipeline segment entered service in 2025.

Mountaineer Plant

The Mountaineer Plant is a 1,300 MW coal-fired power station in New Haven, Mason County, West Virginia, owned by Appalachian Power (American Electric Power) and in service since 1980.