Rallidae
Bird, Species, Sexual dimorphism, Flightless bird, Extinction, Habitat, Terrestrial animal, Wetland, Alpine climate, Snow line, Polar climate »

Smallpox
Smallpox, Infectious disease, Virus, Blood vessel, Blister, Mortality rate, Blindness, Corneal ulcer, Osteomyelitis, World population, Vaccination »

Theodicy
Secular ethics, Problem of evil, Is-ought problem, Best of all possible worlds, Post-monotheism, Fyodor Dostoyevsky, John Hick, Theology, God »

Absurdism
Philosophy, Human, Universe, Existentialism, Nihilism, Denmark, Søren Kierkegaard, Philosophy of Søren Kierkegaard, Pied-Noir, Albert Camus, The Myth of Si... »

Adeva Rul
Romania, Bucharest, Democracy, Land reform in Romania, Universal suffrage, Constantin Mille,Anti- fascism, Interwar period, History of the Jews in Romania, A... »

Air China
People's Republic of China, World's largest airlines, Airline, China Southern Airlines, Flag of the People's Republic of China, Deng Xiaoping »

Al Pacino
Film, Theatre, Film director, Michael Corleone, The Godfather, John Wojtowicz, Dog Day Afternoon, Tony Montana, Scarface (1983 film), Carlito Brigante, Carli... »

Allahabad
Where the Rivers Meet »

Ambiguity
Vagueness, Polysemy, Syntactic ambiguity, Meaning (linguistics), Sinc function, Elliptic integral, Exponential integral, Hermite polynomials, Berry paradox... »

Amc Eagle
American Motors, Four-wheel drive, AMC Concord, AMC Spirit, Roy Lunn, Gerald C. Meyers, Monocoque, Targa top, AMC Straight-6 engine, Jeep-Eagle, Eagle Medall... »