While Snoopy is arguably the most iconic character from "Peanuts", Charlie Brown is considered the main protagonist of the comic strip. He is known for his perpetual bad luck and his never-ending determination to keep trying despite his frequent failures.

Euclid, a Greek mathematician, is often referred to as the 'father of geometry.' His work, known as 'Euclid's Elements,' is one of the most influential works in the history of mathematics, laying the groundwork for much of modern mathematical thinking.

Cognitive dissonance, a concept introduced by the psychologist Leon Festinger in the 1950s, refers to the inner tension that a person experiences after recognizing an inconsistency between their values or beliefs and their actual behavior.

Annie is a Broadway musical based on the comic strip character Little Orphan Annie created by Harold Gray. The show includes iconic songs like "Tomorrow" and "It's the Hard Knock Life."

In the Batman comics and various adaptations, Mr. Freeze must wear a special cryogenic suit to keep his body temperature below freezing, as a result of an accident that made him unable to survive in normal temperatures.

The Amazon rainforest covers over 2 million square miles across nine countries in South America, representing over half of the planet's remaining tropical rainforests. It is home to an estimated 10% of all known species on Earth and plays a crucial role in regulating the global climate and water cycles.

Edvard Munch actually created four versions of his iconic painting The Scream between 1893 and 1910, using different media including tempera, crayon, and pastel on cardboard. Two versions are held in the National Gallery of Norway, while the other two are in the Munch Museum, Oslo.

Robert Burns, often known simply as "Rabbie" Burns, is celebrated worldwide for his poetry and songs, which often reflect his love of Scotland and its people. Burns Night, held annually on his birthday, January 25th, is celebrated with traditional Scottish food and the recitation of his poetry.

In Japanese culture, bowing (ojigi) is a traditional gesture used to convey a wide range of emotions, including respect, gratitude, and apology. The depth and duration of the bow indicate the level of respect or sincerity of the bower. It is still a common practice in Japan, both in daily life and during traditional ceremonies.

Methane is the principal component of natural gas, making up about 70-90% of natural gas. It is a potent greenhouse gas with a significant impact on global warming. Its chemical formula is CH4.