Cards starting with F
10,056 cards. Page 168 of 168.
Full plate armour peaked after the Middle Ages, not during themThe shining knight in full plate is usually pictured in the medieval era, yet complete suits only appeared around 1420 and reached their peak in the 15th and 16th centuries. Much …
Full-Time or Part-Time 4WD: Which Toyota System Performs Better Off-Road?Toyota Land Cruisers and 4Runners utilize different four-wheel-drive systems. This video breaks down the mechanical differences between full-time and part-time configurations, exp…
Fulvia: The Roman Aristocrat Who Orchestrated a Rebellion Against the Future Emperor AugustusLong before Cleopatra, Fulvia was the most powerful woman in Rome. As the wife of Mark Antony, she commanded political loyalty, managed street gangs, and led an armed rebellion ag…
Funafuti is the world's easternmost capital of a sovereign state and a climate canary.As the capital of Tuvalu, this coral atoll is the nation's administrative and economic heart. Yet, with most of its land sitting less than one meter above sea level, Funafuti has …
Funan: The Mysterious First Kingdom That Shaped Southeast Asia’s Ancient Maritime Trade NetworksEmerging in the 1st century, Funan was Southeast Asia’s first major Hinduized kingdom. While Chinese records describe it as a unified power, modern archaeology reveals a sophistic…
Function words are the invisible glue that holds every sentence you speak togetherWhile content words like nouns and verbs carry the heavy lifting of meaning, function words provide the structural skeleton of language. These closed-class words, such as preposit…
Functional analysis studies infinite-dimensional linear worldsFunctional analysis studies vector spaces equipped with notions of limit, such as norms, inner products, and topologies, along with the linear maps that respect them. Unlike ordin…
Functionality matters more than human traits when trusting artificial intelligenceResearchers investigated how trust influences our willingness to adopt AI technologies, specifically voice assistants. By surveying college students and a broader representative g…
Funeral duels became Rome’s thousand-year arena industryGladiators, whose name means swordsmen in Latin, fought one another, wild animals, and condemned criminals before Roman crowds. Most were despised slaves, though some volunteers r…
Funerals may be older than our species, if the Neanderthal flowers are realRituals for the dead reach back at least 300,000 years. Neanderthal graves in Iraq and Wales hold layers of flower pollen, hinting at mourners laying blossoms, unless burrowing ro…
Fungal cell walls pair a rigid inner skeleton with a versatile outer coatA review of research on fungal biology describes how fungi build a cell wall that is strong enough to hold its shape yet porous enough to let nutrients in and signals through. The…
Fungal disease hits over a billion people and killed millions in 2020Mycoses—illnesses caused by fungi—range from everyday skin tinea to deep lung and bloodstream infections. They affect more than one billion people yearly, and reports for 2020 cou…
Fungal threads a few microns wide may total 110 quadrillion kilometresA hypha is a long, branching thread built by fungi, oomycetes and some actinobacteria, and a mass of them makes a mycelium. Each is only about four to six micrometres wide, yet th…
Fungal threads may make up a quarter of soil’s living massMycelium is the hidden body of a fungus: a tangle of branching threads that digests food outside itself and then absorbs the pieces. These networks may account for 20 to 30 percen…
Fungi are not plants, but they are our closest ancient evolutionary cousinsFor centuries, we misclassified fungi as simple plants. Modern genetics reveals a different story: fungi are a distinct kingdom that diverged from animals nearly a billion years a…
Fungi launch their spores with an acceleration of 10,000 times the force of gravityThe basidium is a microscopic pedestal that acts as a launchpad for fungal reproduction. By orchestrating a precise dance of water condensation and surface tension, these structur…
Funk put the weight on “the One” and freed the bassFunk arose in mid-1960s African American scenes as dance music that sidelined busy chord progressions for interlocking grooves: electric bass and drums locked in a hypnotic pocket…
Funnel weavers catch prey on webs that are not sticky at allThat flat sheet of silk draped over a hedge, with a tunnel leading into shadow, belongs to a funnel weaver. The web has no glue. It works by tangling and by vibration, and its own…
Funnel-web venom devastates primates yet barely troubles many other animalsAustralian funnel-web spiders rank among the most medically dangerous spiders on Earth, yet their venom seems fairly harmless to many animals. Primates, humans included, are the u…
Fur length alone does not decide how warm a coat isFur is the soft, dense hair coat covering nearly all mammals—oily guard hairs over thick underfur. Its jobs include protection, sensation, waterproofing, and camouflage, but therm…
Fur length alone does not decide how warm a coat isFur covers almost all mammals and combines guard hair with thick underfur
Fur-trade outpost under the Gateway Arch's shadowSt. Louis, a freestanding Missouri city where the Mississippi meets the Missouri, began on 14 February 1764 as a French fur post. The 2020 municipal count was 301,578, while the w…
Furosemide: The Water Tablet That Keeps Millions of Hearts and Kidneys Functioning DailyKnown as a diuretic, furosemide is a vital tool for managing fluid buildup caused by heart failure, liver cirrhosis, or kidney disease. By encouraging the body to shed excess wate…
Fushun: From the Qing Dynasty's first capital to China's industrial coal powerhouseOnce the birthplace of the Qing Dynasty, Fushun transformed into a massive industrial hub known as the City of Coal. Today, this Liaoning city balances a complex history of imperi…
Fusion cuisine is not a modern invention but a millennia-old history of cultural exchange.While the term fusion cuisine only entered the Oxford English Dictionary in 2002, the practice of blending culinary traditions is ancient. From colonial trade routes to immigrant …
Fusion experiment achieves energy output greater than the laser energy usedResearchers at the National Ignition Facility observed a major milestone in nuclear fusion by achieving a target gain greater than one. During an indirect drive fusion implosion, …
Fusion power: where the frontier standsFusion power is a potential way of generating electricity from fusion heat, but no plant has reached engineering breakeven: producing net electricity.
Futura, built from circles and triangles, was sold as 'the typeface of our time'.In 1927 the German designer Paul Renner released a typeface made from near-perfect circles, triangles and squares. It was marketed as the face of the future, copied by rival found…
Futurama has been cancelled and revived across four different outletsMatt Groening's cartoon about a pizza boy frozen for a thousand years keeps refusing to stay dead. Fox dropped it, Adult Swim reran it, Comedy Central brought it back twice, and H…
Future urban expansion threatens to cause massive habitat loss and biodiversity declineA modelling study suggests that future urban expansion could lead to the loss of up to 33 million hectares of natural habitat by 2100. Researchers found that this expansion may di…
Futures contracts: How betting on the future stabilizes the present global economyA futures contract is a standardized agreement to trade an asset at a set price on a future date. While often viewed as speculative, these derivatives serve a vital purpose: they …
Futures studies is the systematic attempt to map possible, probable, and preferable future worlds.Futurology is not about crystal balls or monolithic predictions. It is an interdisciplinary field that analyzes trends and hidden assumptions to help organizations and societies n…
Futurism’s loudest poet died by his own hand in 1930Vladimir Mayakovsky (19 July 1893 – 14 April 1930) was Russian futurism’s booming poet, playwright, and poster artist. He cheered Bolshevik ideology and Lenin yet fought the state…
Fuzhou's 202 BC walls still mark Fujian's Banyan City capitalFujian's capital sits between the Min estuary and Ningde in the Mindong cultural belt. Tradition dates the city to 202 BC, when King Wuzhu of Minyue raised a walled town called Ye…
Fuzuli chose a pen name meaning presumptuous so nobody else would share itMuhammad bin Suleyman (1483 to 1556), known as Fuzuli, wrote in Azerbaijani, Persian and Arabic while Iraq passed between Aq Qoyunlu, Safavid and Ottoman rulers. He never left Ira…
Fyodor Sologub: The Russian Symbolist who turned provincial misery into a masterpiece of paranoia.Born into poverty and raised in a servant's quarters, Fyodor Sologub spent decades as a weary schoolteacher before shocking Russia with The Petty Demon. His work bridged the gap b…
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