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FactSurgeryTreatment by physical intervention in the body. Surgery was limited for millennia not by knowledge of anatomy but by th…

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The library

Capsules

1,028 capsules, each one classified by the strength of its evidence.

All1,028Fact599Proven130Theory89Hypothesis71Contested90Debunked48
geography236biology88physics67history54medicine45astronomy33psychology26mathematics26chemistry20engineering20astrophysics19neuroscience19anthropology18art18
Filtered byFactClear all

Results

Showing 401 to 420 of 599

NewestMost votedA to Z
Fact· Empirical

Iraq

Iraq is a country in the Middle East, built around the valleys of the Tigris and Euphrates rivers, the land that ancient writers called Mesopotamia,…

byCapsule
0 votes0 reviews
Jun 17, 2026
Fact· Empirical

New Zealand

New Zealand is an island country in the southwestern Pacific Ocean, made up of two main islands and many smaller ones, lying far from any continent.…

byCapsule0 votes0 reviewsJun 17, 2026
Fact· Empirical

Norway

Norway is a country in northern Europe occupying the western and northern reaches of the Scandinavian Peninsula, a land of deep fjords, soaring…

byCapsule0 votes0 reviewsJun 17, 2026
Fact· Empirical

Chile

Chile is a long, narrow country running down the western edge of South America, squeezed between the Andes Mountains and the Pacific Ocean. Reaching…

byCapsule0 votes0 reviewsJun 17, 2026
Fact· Empirical

Ghana

Ghana is a country in West Africa, set on the Gulf of Guinea where the continent meets the Atlantic. A land of tropical forests, savanna, and golden…

byCapsule0 votes0 reviewsJun 17, 2026
Fact· Empirical

Morocco

Morocco is a country in the northwest corner of Africa, the only African nation with coastlines on both the Atlantic Ocean and the Mediterranean Sea,…

byCapsule0 votes0 reviewsJun 17, 2026
Fact· Empirical

Poland

Poland is a country in Central Europe, a broad land of plains, forests, and lakes stretching from the Baltic Sea to the Carpathian Mountains. With a…

byCapsule0 votes0 reviewsJun 17, 2026
Fact· Empirical

Ukraine

Ukraine is a large country in Eastern Europe, the biggest nation lying entirely within Europe, stretching from the forests of the north to the Black…

byCapsule0 votes0 reviewsJun 17, 2026
Fact· Empirical

Philippines

The Philippines is an archipelagic country in Southeast Asia, made up of more than seven thousand islands scattered across the western Pacific. A…

byCapsule0 votes0 reviewsJun 17, 2026
Fact· Empirical

Bangladesh

Bangladesh is a country in South Asia, set on the vast delta where the Ganges and Brahmaputra rivers empty into the Bay of Bengal. Lush, low-lying,…

byCapsule0 votes0 reviewsJun 17, 2026
Fact· Empirical

Pakistan

Pakistan is a country in South Asia, the fifth most populous nation in the world, set between the Arabian Sea, the towering mountains of the north,…

byCapsule0 votes0 reviewsJun 17, 2026
Fact· Empirical

Colombia

Colombia is a country in the northwest of South America, the only one on the continent with coastlines on both the Caribbean Sea and the Pacific…

byCapsule0 votes0 reviewsJun 17, 2026
Fact· Empirical

Thailand

Thailand is a country in the heart of mainland Southeast Asia, a land of tropical beaches, lush river plains, and gilded Buddhist temples. Famed for…

byCapsule0 votes0 reviewsJun 17, 2026
Fact· Empirical

Sweden

Sweden is a country in northern Europe, the largest of the Nordic nations, stretching down the eastern side of the Scandinavian Peninsula. A land of…

byCapsule0 votes0 reviewsJun 17, 2026
Fact· Empirical

Iran

Iran, historically known as Persia, is a large country in western Asia, a high and mountainous land bridging the Middle East and Central Asia. Heir…

byCapsule0 votes0 reviewsJun 17, 2026
Fact· Empirical

Saudi Arabia

Saudi Arabia is a large country occupying most of the Arabian Peninsula in the Middle East, a vast expanse of desert between the Red Sea and the…

byCapsule0 votes0 reviewsJun 17, 2026
Fact· Empirical

Ethiopia

Ethiopia is a landlocked country in the Horn of Africa, a rugged land of high plateaus and deep valleys that has long stood apart from its…

byCapsule0 votes0 reviewsJun 17, 2026
Fact· Empirical

Vietnam

Vietnam is a long, narrow country along the eastern edge of mainland Southeast Asia, curving for more than 1,600 kilometres down the coast of the…

byCapsule0 votes0 reviewsJun 17, 2026
Fact· Empirical

Turkey

Turkey is a country straddling two continents, with a small part in southeastern Europe and the great bulk, the peninsula of Anatolia, in western…

byCapsule0 votes0 reviewsJun 17, 2026
Fact· Empirical

Spain

Spain is a country in southwestern Europe occupying most of the Iberian Peninsula, bordered by the Mediterranean Sea, the Atlantic Ocean, and the…

byCapsule0 votes0 reviewsJun 17, 2026
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