Nature
2,233 cards. Each one is a 40-second story with a five-minute read behind it. Page 28 of 38.
- Cretaceous lava still roofs India's southern plateauThe Deccan Plateau covers about 422,000 square kilometres of peninsular India, averaging roughly 600 metres high between the Western and Eastern Ghats. Its northwest traps are sta…
- North America's roof lost ten feet in a 2015 remeasureDenali—federally also Mount McKinley—tops North America at 20,310 feet after a 2015 USGS survey trimmed ten feet from the 1952 photogrammetric figure. Koyukon speakers called the …
- A 2,200-kilometre river once carried amber toward the seaRising in Russia's Valdai Hills, the Dnieper—Dnipro in Ukrainian—runs about 2,200 kilometres through Belarus and Ukraine to the Black Sea. In antiquity it fed Amber Road traffic; …
- Europe's fifth-longest river once marked Asia for the GreeksFrom Novomoskovsk near Tula, the Don winds 1,870 kilometres to the Sea of Azov—Europe's fifth-longest river and a Byzantine trade artery. Some ancient Greek geographers treated it…
- Antarctica's narrowest gap drives the planet's strongest currentBetween Chile's Cape Horn and Antarctica's South Shetlands, the Drake Passage—also Sea of Hoces—funnels the Antarctic Circumpolar Current with no land to brake it. Waves can top t…
- Dragon Mountains rise where Gondwana's rim eroded inlandAfrikaans settlers heard dragons in the escarpment they named Drakensberge; Zulu uKhahlamba and Sotho Maloti call the same wall a barrier of pointed spears. Along more than a thou…
- Three-fourths of this sea is shallower than two hundred metresRoughly 1.25 million square kilometres of Western Pacific shelf wash China's eastern shore—the East China Sea, or Dong Hai in Chinese direction-names. Almost three-quarters of it …
- Four million square kilometres of Europe barely rise above 170 metresAlso called the Russian or Sarmatic Plain, the East European Plain spreads across some four million square kilometres from about 25 degrees east toward the Urals, averaging only 1…
- Moai watch from one of Earth's most remote inhabited islesRapa Nui, Chile's Easter Island, sits at the southeastern tip of the Polynesian Triangle and is famous for nearly a thousand moai. Pitcairn, the nearest inhabited land, lies 2,075…
- A Czech mountain trickle becomes Germany's North Sea highwayAs the Labe, the Elbe spills from Mount Violík at 1,386 metres in the Giant Mountains, then crosses Bohemia and Germany to meet the North Sea at Cuxhaven. Its 148,268-square-kilom…
- Canada's northern tip holds only 144 year-round residentsEllesmere is Canada's northernmost island, third-largest nationally and tenth worldwide, covering about 197,790 square kilometres—nearly Britain's size. In 2021 just 144 people li…
- The world's busiest shipping lane is only 34 kilometres wideAt Dover the English Channel squeezes to about 34 kilometres between England and France, yet along 560 kilometres it funnels more commercial traffic than any other sea lane. Roman…
- Clinton's Ditch linked the Atlantic to the upper Great LakesFinished in 1825, New York's Erie Canal was the first navigable cut from the Hudson to Lake Erie above Niagara Falls, slashing Midwest freight costs. At 363 miles it was then the …
- Africa's largest high roof split by a salt-lake riftLittle of the Ethiopian—or Abyssinian—Highlands falls below 1,500 metres, forming the continent's largest continuous elevated mass from Ethiopia into Eritrea. The Main Ethiopian R…
- Earth's biggest lake sits twenty-seven metres below ocean levelThe Caspian holds more inland water than any other body on Earth—about the area of Japan—yet its surface lies roughly twenty-seven metres under true sea level. Fed mainly by the V…
- Europe's disputed roof rises 5,642 metres between two seasMount Elbrus tops the Caucasus at 5,642 metres—832 metres above Mont Blanc—yet whether it counts as Europe's highest peak depends on where you draw the continent line. The range i…
- Three Caribbean islands thrived after Columbus called them TortugasColumbus spotted the Caymans on 10 May 1503 and named them for turtles; later tongues swapped in caiman, the Arawak-Taíno crocodile word. Today the self-governing British Overseas…
- America's first landscaped park erased a Black village to existCentral Park's pastoral meadows were engineered, not found. Olmsted and Vaux's 1858 Greensward Plan won the contest after a 1853 land approval—then eminent domain flattened settle…
- Brazil's richest savanna covers a fifth of the nationAfter the Amazon, the Cerrado is Brazil's second-greatest habitat, holding about 21 percent of the country—some two million square kilometres of mosaic savanna. WWF calls it the p…
- Two Norman bailiwicks share a sea but almost no governmentJersey and Guernsey look like one Channel archipelago, yet they have been separate Crown Dependencies since the late thirteenth century—each with its own laws and elections. The U…
- Rain-shadow ranges may hide Earth's most diverse desertWWF ranks the Chihuahuan Desert among the world's most biologically diverse arid lands by species richness and endemism. Sierra Madre walls steal Pacific and Gulf moisture, leavin…
- A 1,450-mile river rarely reaches the sea anymoreFrom Rocky Mountain National Park to the Gulf of California, the Colorado once carried reddish silt that gave it a Spanish name. Dams, aqueducts, and treaties now divert nearly al…
- Fourteen main-stem dams power nearly half of U.S. hydropowerThe Columbia runs 1,243 miles from British Columbia's Rockies to the Pacific, draining a France-sized basin. Fourteen hydroelectric dams on its main stem—plus many more on tributa…
- The world's deepest river crosses the equator twiceOnly one major river crosses the equator twice: the Congo. Measured depths near 220 metres make it the deepest recorded river on Earth, while its discharge ranks third globally—be…
- Africa's great forest stores three years of global emissionsSecond only to the Amazon, Congolian rainforests cloak more than two million square kilometres across Central Africa—about a quarter of remaining tropical forest worldwide. Peat s…
- Tides on opposite sides of Cook Strait are almost out of phaseOnly twenty-two kilometres separate New Zealand's islands at Cook Strait's narrowest point, yet its tides are nearly inverted: high water on one end meets low on the other. Ferrie…
- A WWII battle named the sea that holds Earth's largest reefNortheast of Australia, the Coral Sea stretches some two thousand kilometres down the Queensland coast and cradles the Great Barrier Reef—UNESCO-listed in 1981. In 1942 the same w…
- Napoleon was born the year France annexed his island homeGenoa ruled Corsica for centuries until a rebel republic flared in 1755; debt forced Genoa to cede the island to Louis XV in 1768, and France annexed it in 1769—the same year Napo…
- Europe's first advanced civilisation rose on Greece's largest islandMinoan Crete flourished from about 2700 to 1420 BCE—Europe's earliest complex civilisation—before Mycenaeans, Romans, Byzantines, Venetians, and Ottomans took turns. Today the isl…
- Europe's second river links ten countries and four capitalsFrom Germany's Black Forest to the Black Sea delta, the Danube runs about 2,850 kilometres through or beside ten countries—second only to the Volga on the continent. Four national…
- The Caribbean hides the planet’s second-longest barrier reefThe Caribbean Sea covers about 2.75 million square kilometres of tropical North Atlantic between the Greater and Lesser Antilles, Central America, and northern South America. Its …
- Europe’s third-long mountain arc still shelters big carnivoresThe Carpathians arc roughly 1,500 kilometres across Central and Southeast Europe—third-longest on the continent after the Urals and Scandinavian ranges. From Austria and the Czech…
- Bulgaria’s Stara Planina named a whole peninsula by accidentThe Balkan Mountains run about 560 kilometres from Vrashka Chuka on the Bulgaria–Serbia border east to the Black Sea, dividing Black Sea and Aegean drainages along much of their c…
- A German mapmaker’s 1808 mistake still defines Southeast Europe“The Balkans” names a disputed southeastern European zone after Bulgaria’s Balkan Mountains. German geographer August Zeune coined the Balkan Peninsula in 1808, wrongly imagining …
- Shallow sills turn the Baltic into Europe’s great brackish bowlNine northern European states wrap an Atlantic arm that barely flushes—a shelf sea so exchange-poor it behaves like a vast inland water. Outflow squeezes through Danish straits to…
- Mauritania’s mudflats shelter a hemispheric bird metropolisBanc d’Arguin National Park guards the Atlantic shore between Nouakchott and Nouadhibou—the vanished Tamanrasset River mouth—as a World Heritage wetland founded in 1976 to shield …
- Canada’s first park began as a hot-springs railroad reserveBanff National Park, created in 1885 as Rocky Mountains Park, covers 6,641 square kilometres of Alberta Rockies some 110–180 kilometres west of Calgary. Sediments shoved east betw…
- The Arctic’s warming hotspot is turning oddly AtlanticThe Barents Sea is a shallow Arctic Ocean shelf—average depth about 230 metres—shared by Norway and Russia off their northern coasts, once called the Murman Sea and renamed for Du…
- Rising seas drowned the plain that carried people to TasmaniaBass Strait parts Tasmania from mainland Victoria, linking the Great Australian Bight toward the Tasman Sea. Formed about 8,000 years ago when post-glacial seas flooded the Bassia…
- Monsoon rivers dump a million-square-mile bay of sedimentThe Bay of Bengal, some 2.6 million square kilometres of northeastern Indian Ocean between the subcontinent and Indochina, takes its name from historic Bengal. India, Bangladesh, …
- Winter depressions turn this Atlantic gulf into a ship-breakerThe Bay of Biscay—also Gulf of Gascony—opens from Spain’s north coast past Cape Ortegal along western France as a northeast Atlantic gulf south of the Celtic Sea. Average depth is…
- A meridian argument still divides Alaska and Yukon watersThe Beaufort Sea is an Arctic Ocean margin north of Alaska, Yukon, and the Northwest Territories, named for hydrographer Sir Francis Beaufort. The Mackenzie River is its chief fre…
- A Pacific donut hole feeds two nations and ice-age memoryThe Bering Sea is a northern Pacific marginal basin of more than two million square kilometres between Alaska and Russia’s Far East, meeting the Arctic at the Bering Strait. Curre…
- Eighty-two kilometres of water hide a vanished ice-age highwayThe Bering Strait separates Russia’s Chukchi Peninsula from Alaska’s Seward Peninsula, linking Pacific and Arctic Oceans along a maritime boundary near 168°58′37″ W. At its narrow…
- A shipwreck turned empty Atlantic rocks into a miniature parliamentBermuda, a British Overseas Territory of 181 islands fused by bridges into about 54 square kilometres of land, lies roughly 1,035 kilometres from North Carolina. Spanish captain J…
- A positive water budget pushes Black Sea water into the AegeanThe Black Sea sits between Europe and Asia, bordered by Bulgaria, Georgia, Romania, Russia, Turkey, and Ukraine. Without Azov it covers about 436,400 square kilometres, reaches 2,…
- Ethiopia’s Blue Nile delivers most of Egypt’s floodwaterThe Blue Nile rises at Lake Tana in Ethiopia and runs roughly 1,450 kilometres through Ethiopia and Sudan before meeting the White Nile at Khartoum. In the rains it can supply abo…
- Earth’s third-largest island is split by three flags and fireBorneo spans about 748,168 square kilometres at Maritime Southeast Asia’s centre, with some 23 million residents in 2020 censuses—third among world islands. Once joined to Asia in…
- Istanbul’s cow-ford strait still splits two continentsThe Bosporus is the Turkish strait linking the Black Sea to the Sea of Marmara, pairing with the Dardanelles as the Turkish Straits and marking a continental seam between Asia and…
- A male-named Himalayan river was mapped as Tibet’s Tsangpo lateThe Brahmaputra runs about 3,000 kilometres from Tibet’s Manasarovar–Kailash region through China, India, and Bangladesh, changing names from Yarlung Tsangpo to Siang/Dihang and f…
- Half of Brazil is a worn plateau that once ran with lavaThe Brazilian Highlands cover about 4.5 million square kilometres—roughly half the country—across eastern, southern, and central Brazil. Ancient basaltic floods built much of the …
- “British Isles” is geography that Ireland’s government rejectsThe British Isles name an Atlantic archipelago of Great Britain, Ireland, Man, the Hebrides, Orkneys, Shetlands and others—yet Dublin refuses the label as politically loaded. Rock…
- Some of Earth’s oldest rock still floors Canada’s lake countryThe Canadian Shield—also Laurentian Shield or Plateau—exposes Precambrian igneous and high-grade metamorphic rock that cores the North American Craton, Laurentia. Ages from about …
- The birds took the islands’ name—not the other way aroundSpain’s Canary Islands lie about 100 kilometres off northwest Africa as the country’s southernmost autonomous community. Seven main islands from Tenerife to El Hierro, plus La Gra…
- Clippers once had to round Chile’s storm gate to reach AsiaCape Horn on Chile’s Hornos Island is Tierra del Fuego’s iconic southern headland—not South America’s absolute tip, which is Águila Islet—yet it remains the seafarer’s great miles…
- Africa’s famous cape is not actually the continent’s tipThe Cape of Good Hope is a rocky Atlantic headland on South Africa’s Cape Peninsula—not the continent’s southernmost point, which is Cape Agulhas about 150 kilometres farther east…
- North Africa’s spine was built in three slow collisionsThe Atlas Mountains run about 2,500 kilometres across Morocco, Algeria, and Tunisia, fencing the Sahara from the Mediterranean and Atlantic. Named with Berber mountain words that …
- Nine volcanoes sit where three plates collide mid-AtlanticPortugal’s Azores rise about 1,400 kilometres west of the mainland as nine volcanic Macaronesian islands and a Formigas islet cluster. Mount Pico’s 2,351 metres is Portugal’s high…
- An Arctic polynya keeps whales breathing between ice sheetsBaffin Bay lies between Baffin Island and Greenland as an IHO marginal sea of the Arctic, tied to the Atlantic by Davis Strait and Labrador Sea and to the polar basin by Nares Str…
- Canada’s biggest island still argues over Viking yarnBaffin Island—Qikiqtaaluk, “very big island”—is Canada’s largest, the Americas’ second after Greenland, and Earth’s fifth, covering about 507,205 square kilometres with only 13,03…