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Saba is a Caribbean island and the smallest special municipality (officially "public body") of the Netherlands. It consists largely of the dormant volcano Mount Scenery, which at 870 metres (2,854.3 ft) is the highest point of the entire Kingdom of the Netherlands. The island lies in the northern Leeward Islands portion of the West Indies, southeast of the Virgin Islands. Together with Bonaire and Sint Eustatius it forms the Caribbean Netherlands, also known as the BES islands.

The Sahrawi Arab Democratic Republic (SADR), also known as the Sahrawi Republic and Western Sahara, is a partially recognized state in the western Maghreb, which claims the non-self-governing territory of Western Sahara, but controls only the easternmost one-fifth of that territory. It is recognized by 44 UN member states and South Ossetia. Between 1884 and 1975, Western Sahara was known as Spanish Sahara, a Spanish colony (later an overseas province). The SADR is one of the two African states in which Spanish is a significant language, the other being Equatorial Guinea.

Saint Barthélemy, officially the Collectivité territoriale de Saint-Barthélemy, also known as St. Barts and St. Barths (English) or St. Barth (French), is an overseas collectivity of France in the Caribbean. The island lies about 30 kilometres (19 mi) southeast of the island of Saint Martin. It is northeast of the Dutch islands of Saba and Sint Eustatius, and north of the independent country of Saint Kitts and Nevis.

Saint Helena (/ˌsɛnt (h)ɪˈliːnə, ˌsɪnt-, sənt-/, US: /ˌseɪnt-/; US: /ˌseɪnt ˈhɛlənə/ ) is a volcanic and tropical island, located in the South Atlantic Ocean, some 1,874 km (1,165 miles) west of the mainland of the continent of Africa, with the Southern African nations of Angola and Namibia on its southeastern coast being the closest nations geographically. The island is around 1,950 km (1,210 mi) west of the coast of southwestern Angola, and 4,000 km (2,500 mi) east of the major seaport city of Rio de Janeiro, Brazil in South America. It is one of the three constituent parts of Saint Helena, Ascension and Tristan da Cunha, a British overseas territory.

Saint Helena, Ascension and Tristan da Cunha is a British Overseas Territory located in the South Atlantic and consisting of the island of Saint Helena, Ascension Island, and the archipelago of Tristan da Cunha (including Gough Island). Its name was Saint Helena and Dependencies until 1 September 2009, when a new constitution came into force, giving the three islands equal status as three territories, with a grouping under the Crown.

The Federation of Saint Kitts and Nevis (pronounced /seɪnt ˌkɪts ænd ˈniːvɪs/, also known as the Federation of Saint Christopher and Nevis), is a federal nation made up of two small islands in the Caribbean Sea. It is the smallest independent country in the Western Hemisphere.

Saint Lucia is an island country in the eastern Caribbean. Part of the Windward Islands of the Lesser Antilles, it is located north/northeast of the island of Saint Vincent, northwest of Barbados and south of Martinique. It covers a land area of 617 km2 (238 square miles) with an officially estimated population of over 184,100 people as of mid 2023. The nation's capital and largest city is Castries.

The Collectivity of Saint Martin (French: Collectivité de Saint-Martin), commonly known as simply Saint Martin (Saint-Martin, [sɛ̃ maʁtɛ̃] ⓘ), is an overseas collectivity of France in the West Indies in the Caribbean, on the northern half of the island of Saint Martin, as well as some smaller adjacent islands. Saint Martin is separated from the island of Anguilla by the Anguilla Channel. Its capital is Marigot.

Saint Pierre and Miquelon (/ˈmiːkəlɒn/, MEEK-ə-lon), officially the Territorial Collectivity of Saint Pierre and Miquelon (French: Collectivité territoriale de Saint-Pierre-et-Miquelon; pronounced [sɛ̃.pjɛ.ʁ‿e.mi.k), is a self-governing territorial overseas collectivity of France in the northwestern Atlantic Ocean, located near the Canadian province of Newfoundland and Labrador.[5][6] St. Pierre and Miquelon is an archipelago of eight islands, covering 242 km2 (93 sq mi) of land.[5] It had a population of 5,819 as of the January 2022 census and its residents are French citizens; they elect their own deputy to the National Assembly and participate in senatorial and presidential elections.

Saint Vincent and the Grenadines, sometimes known simply as Saint Vincent or SVG, is an island country in the eastern Caribbean. It is located in the southeast Windward Islands of the Lesser Antilles, which lie in the West Indies, at the southern end of the eastern border between the Caribbean Sea and the Atlantic Ocean. To the north lies Saint Lucia, to the east is Barbados and Grenada lies to the south.

Samoa, officially the Independent State of Samoa, is an island country in Polynesia, part of Oceania, in the South Pacific Ocean. It consists of two main islands (Savai'i and Upolu), two smaller, inhabited islands (Manono and Apolima), and several smaller, uninhabited islands, including the Aleipata Islands (Nuʻutele, Nuʻulua, Fanuatapu and Namua). Samoa is located 64 km (40 mi; 35 nmi) west of American Samoa, 889 km (552 mi; 480 nmi) northeast of Tonga, 1,152 km (716 mi; 622 nmi) northeast of Fiji, 483 km (300 mi; 261 nmi) east of Wallis and Futuna, 1,151 km (715 mi; 621 nmi) southeast of Tuvalu, 519 km (322 mi; 280 nmi) south of Tokelau, 4,190 km (2,600 mi; 2,260 nmi) southwest of Hawaii, and 610 km (380 mi; 330 nmi) northwest of Niue. The capital and largest city is Apia.

San Marino, officially the Republic of San Marino (RSM), is a landlocked country in Southern Europe, completely surrounded by Italy. Located on the northeastern slopes of the Apennine Mountains, it is the larger of two microstates within Italy, the other being Vatican City. San Marino is the fifth-smallest country in the world, with a land area of just over 61 km2 (23.5 mi2) and a population of 34,042 as of 2025. Its capital, the City of San Marino, sits atop Monte Titano, while its largest settlement is Dogana, in the municipality of Serravalle.

São Tomé and Príncipe, officially the Democratic Republic of São Tomé and Príncipe, is an island country in the Gulf of Guinea, off the western equatorial coast of Central Africa. It consists of two archipelagos around the two main islands of São Tomé and Príncipe, about 150 km (93.21 mi) apart and about 250 and 225 km (155 and 140 mi) off the northwestern coast of Gabon. With a population of 201,800 (2018 official estimate), São Tomé and Príncipe is the second-smallest and second-least populous African sovereign state after Seychelles.

Saudi Arabia, officially the Kingdom of Saudi Arabia (KSA)and also known simply as the Saudi, is a country in West Asia. Located in the centre of the Middle East, it covers the bulk of the Arabian Peninsula and has a land area of about 2,150,000 km2 (830,000 sq mi), making it the fifth-largest country in Asia, the largest in the Middle East, and the twelfth-largest in the world. It is bordered by the Red Sea to the west; Jordan, Iraq, and Kuwait to the north; the Persian Gulf, Bahrain, Qatar and the United Arab Emirates to the east; Oman to the southeast; and Yemen to the south. The Gulf of Aqaba in the northwest separates Saudi Arabia from Egypt and Israel. Saudi Arabia is the only country with a coastline along both the Red Sea and the Arabian Gulf, and most of its terrain consists of arid desert, lowland, steppe, and mountains. The capital and largest city is Riyadh; other major cities include Jeddah and the two holiest cities in Islam, Mecca and Medina. With a population of almost 32.2 million, Saudi Arabia is the fourth most populous country in the Arab world.

Science is a systematic discipline that builds and organises knowledge in the form of testable hypotheses and predictions about the universe. Modern science is typically divided into two – or three – major branches: the natural sciences, which study the physical world, and the social sciences, which study individuals and societies. While referred to as the formal sciences, the study of logic, mathematics, and theoretical computer science are typically regarded as separate because they rely on deductive reasoning instead of the scientific method as their main methodology. Meanwhile, applied sciences are disciplines that use scientific knowledge for practical purposes, such as engineering and medicine.