The Pacific holds half the world's water
The Pacific covers about a third of the planet's surface and contains roughly half of its free water.
Author not specified in the imported source
Pacific Ocean · Oceania & the Pacific
External reference (site language): Pacific Ocean Park ↗
Imported text; story or fact not individually verified. A reference may provide background only.
The Mariana Trench is deeper than Everest is tall
Challenger Deep reaches about 10,900 metres, more than two kilometres deeper than Everest is high.
Author not specified in the imported source
Mariana Trench · Oceania & the Pacific
External reference (site language): Mariana Trench ↗
Imported text; story or fact not individually verified. A reference may provide background only.
Point Nemo is the remotest place
The nearest humans to Point Nemo are often astronauts on the space station passing overhead.
Author not specified in the imported source
Point Nemo, Pacific · Oceania & the Pacific
External reference (site language): Gina Nemo ↗
Imported text; story or fact not individually verified. A reference may provide background only.
Coral reefs cover under one percent of the sea
Reefs occupy less than one percent of the ocean floor but support around a quarter of all marine species.
Author not specified in the imported source
Oceans · Around the World
External reference (site language): Oceans Seven ↗
Imported text; story or fact not individually verified. A reference may provide background only.
Most of the ocean is unmapped in detail
We have better high-resolution maps of Mars than of our own seabed, though mapping projects are closing the gap.
Author not specified in the imported source
Oceans · Around the World
External reference (site language): Oceans Seven ↗
Imported text; story or fact not individually verified. A reference may provide background only.
The Arctic is ocean, the Antarctic is land
The North Pole sits on drifting sea ice while the South Pole rests on a continent under kilometres of ice.
Author not specified in the imported source
Poles · The Poles
Imported text; story or fact not individually verified. A reference may provide background only.
Antarctica has a blood-red waterfall
Blood Falls is stained by iron-rich brine that has been sealed beneath the ice for over a million years.
Author not specified in the imported source
Taylor Glacier, Antarctica · The Poles
External reference (site language): Taylor Glacier ↗
Imported text; story or fact not individually verified. A reference may provide background only.
Antarctica has dry valleys with no ice
Katabatic winds strip the McMurdo Dry Valleys bare, and some have not seen rain for around two million years.
Author not specified in the imported source
McMurdo, Antarctica · The Poles
External reference (site language): McMurdo Dry Valleys ↗
Imported text; story or fact not individually verified. A reference may provide background only.
Emperor penguins breed in winter darkness
Emperors incubate eggs on their feet through the polar night at temperatures below minus 40 degrees.
Author not specified in the imported source
Antarctica · The Poles
External reference (site language): Antarctica ↗
Imported text; story or fact not individually verified. A reference may provide background only.
Svalbard has more polar bears than people
Residents leaving town are legally advised to carry a rifle because of the bear population.
Author not specified in the imported source
Svalbard, Norway · The Poles
External reference (site language): Svalbard ↗
Imported text; story or fact not individually verified. A reference may provide background only.
Nobody is buried in Longyearbyen
Permafrost prevents decomposition, so burials in the town cemetery stopped decades ago.
Author not specified in the imported source
Longyearbyen, Svalbard · The Poles
External reference (site language): Longyearbyen ↗
Imported text; story or fact not individually verified. A reference may provide background only.
The Arctic has 24-hour daylight in summer
Above the Arctic Circle the sun does not set for weeks, and blackout curtains are standard equipment.
Author not specified in the imported source
Arctic · The Poles
External reference (site language): Arctic ↗
Imported text; story or fact not individually verified. A reference may provide background only.
Icebergs are freshwater
Icebergs calve from land glaciers, so despite floating in the sea they are made of compressed fresh snow.
Author not specified in the imported source
Poles · The Poles
Imported text; story or fact not individually verified. A reference may provide background only.
Only a tenth of an iceberg shows
Roughly 90 percent of an iceberg's mass sits below the waterline, which is where the metaphor comes from.
Author not specified in the imported source
Poles · The Poles
Imported text; story or fact not individually verified. A reference may provide background only.
Passports were standardised after WWI
The modern passport with a photo and standard booklet emerged from a 1920 League of Nations conference.
Author not specified in the imported source
World · Around the World
External reference (site language): World (disambiguation) ↗
Imported text; story or fact not individually verified. A reference may provide background only.
Time zones came from railways
Before railways every town kept its own solar time. Standard time zones were adopted to make timetables possible.
Author not specified in the imported source
World · Around the World
External reference (site language): World (disambiguation) ↗
Imported text; story or fact not individually verified. A reference may provide background only.
The date line zigzags on purpose
The international date line bends around island groups so countries are not split across two calendar days.
Author not specified in the imported source
Pacific · Around the World
External reference (site language): Pacific Ocean ↗
Imported text; story or fact not individually verified. A reference may provide background only.
Jet lag is worse flying east
The body finds it easier to lengthen a day than shorten one, so westward flights usually feel gentler.
Author not specified in the imported source
World · Around the World
External reference (site language): World (disambiguation) ↗
Imported text; story or fact not individually verified. A reference may provide background only.
Aircraft windows have a tiny hole
The small bleed hole in a cabin window equalises pressure so the outer pane bears the load.
Author not specified in the imported source
World · Around the World
External reference (site language): World (disambiguation) ↗
Imported text; story or fact not individually verified. A reference may provide background only.
Cabin air is drier than most deserts
Relative humidity on a long-haul flight often drops below 20 percent, which is why you feel thirsty.
Author not specified in the imported source
World · Around the World
External reference (site language): World (disambiguation) ↗
Imported text; story or fact not individually verified. A reference may provide background only.
Food tastes blander at altitude
Low pressure and dry air dull sweet and salty perception, so airline meals are seasoned more heavily.
Author not specified in the imported source
World · Around the World
External reference (site language): World (disambiguation) ↗
Imported text; story or fact not individually verified. A reference may provide background only.
Black boxes are orange
Flight recorders are painted bright orange with reflective tape so search teams can spot them.
Author not specified in the imported source
World · Around the World
External reference (site language): World (disambiguation) ↗
Imported text; story or fact not individually verified. A reference may provide background only.
Airport codes can be historical
Chicago O'Hare uses ORD from its old name Orchard Field, long after the orchard disappeared.
Author not specified in the imported source
World · Around the World
External reference (site language): World (disambiguation) ↗
Imported text; story or fact not individually verified. A reference may provide background only.
The shortest scheduled flight is 90 seconds
The hop between Westray and Papa Westray takes about a minute and a half in fair wind.
Author not specified in the imported source
Orkney, Scotland · Around the World
External reference (site language): Orkney ↗
Imported text; story or fact not individually verified. A reference may provide background only.