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celebrities often go through a great deal of trouble to make themselves look young. if you're wondering how old a celebrity is, when they were born or when they died, this is the place to ask.

1,923,714 questions

math is the study of abstractions. math allows us to isolate one or a few features such as the number, shape or direction of some kind of object. then we can study what can be learned about the behavior of those features while ignoring everything else about the object.

1,670,306 questions

this category encompasses all questions about the composition, structure, properties, and reactions of matter.

921,199 questions

actors and actresses are individuals who act or play in a dramatic production. the term also refers to those who play parts in movies, television, radios, or theaters. some of hollywoodโ€™s famous actors include brad pitt, angelina jolie, and tom cruise.

852,750 questions

celebrities are persons easily recognized in a society or culture. most of todayโ€™s celebrities are popular personalities from the movie and music industries. lady gaga, justin bieber, daniel radcliffe and robert pattinson are some of todayโ€™s hottest celebrities.

788,399 questions

includes questions about the lives and families of writers as well as about their written works.

659,685 questions

the observation, identification, description, experimental investigation, and theoretical explanation of phenomena is all part of science. nothing is immune to the scientific process: from charm quarks that haven't existed naturally since the beginning of time to pluto, recently demoted from planet to dwarf planet. questions on knowledge about the material and physical aspects of our world are asked and answered here.

606,428 questions

television shows are segments of contents aired on televisions. they can be a one-off broadcast, or a part of a recurring television series. tv series are intended to be aired in several episodes.

587,403 questions

movies are a dramatized representation of reality. they often have many literary elements, and usually are very entertaining. ask questions here related to feature films and cinematic history.

578,536 questions

this category is for questions relating to the history of baseball such as team origins, player records and origins of baseball terms.

503,284 questions

video games are a type of interactive entertainment software. they are designed to run on a computers, phones, tablets, and gaming consoles. they come in many forms. some are cartridges, while others may be discs or apps. there are several genres of video games. some are educational, and some are purely guilty pleasures. a few types of video game are role playing (rpg), shooter, sim, and puzzle.

476,631 questions

physics regards the physical aspects of the natural world. it includes topics that deal with forces on different bodies within the universe and phenomena that explain how the universe works.

436,438 questions

a truly healthy person has a sound body and mind that is free of disease and infirmity. healthy living includes taking the steps needed to optimize one's chances of surviving and thriving, like eating a healthy diet and exercising regularly. questions relating to all aspects of health and living a healthy life are welcome here!

422,821 questions

animals enrich our lives in so many different ways. the animal life category is for questions and answers about animals of all types, including pets, sea life, and farm animals. you can ask questions or find information regarding animals, their history, care, health issues, breeding, and behavior.

394,797 questions

this section covers topics of genetics such as variation, pedigrees, mendelian genetics and mutations.

386,993 questions

find questions about the important events of the united states of america from the us civil war to us presidents.

374,696 questions

music consists of sound mixed with elements including pitch, rhythm, and tempo. here you can ask questions about music and the hottest songs of today and yesterday.

356,961 questions

questions about the game of scrabble, the crossword-like word game. super scrabble questions are also appropriate. questions about the electronic versions of scrabble may be included here as a second category, but would be more appropriately be placed in a video games category.

355,679 questions

biology is a branch of science that studies the nature of life from the smallest parts of living things to the largest plants and animals. ask and answer questions about the living world and its wonderful inhabitants in this category!

339,754 questions

geometry = math of euclid. geometry is the branch of math known for shapes (polygons), 3d figures, undefined terms, theorems, axioms, explanation of the universe, and pi.

312,261 questions

this category is for questions and answers about forms of books and literature. the categories subtopics include authors, poetry, plays, classics, and many other literary elements.

308,515 questions

the use of letters to substitute unknown numbers to form an equation. solve the equation to get the unknown number using different methods such as simultaneous equations and more.

301,839 questions

the supreme law of the united states, the constitution provided the framework for the creation of the united states government.

296,969 questions

definitions are the meanings of words.

294,498 questions

sports include physical recreational activities that have elements of competition/struggle and play. they often involve spherical objects of different types, but can involve a remote control, a couch and a bag of chips. here you'll find questions and answers about popular sports in the world; including information on players, teams, results, statistics, records and related topics.

279,373 questions

human physiology is the study of the human body relevant to the functions of the organs and systems. it provides a biological baseline for the five senses including the different systems, so that the body can operate normally.

260,111 questions

information about all types of vehicles; including cars and trucks manufactured around the world, motorcycles, airplanes,and other modes of transportation, is found here. if you need to know the best truck for off-road use, how to make a vehicle sound like it has more power than it really does, if filling up a gas tank when it s half full is really beneficial, or anything concerning vehicles, this is the place to ask!

244,262 questions

relationships include parent/child, sibling/sibling, friendship, dating, marriage, and lots of others. they can be great, but many times they are problematic and can be unhappy or even abusive. this category is for questions about relationships, both good and bad.

239,225 questions

conditions and diseases include everything from aches and pains to broken bones, chronic conditions to life-threatening diseases, symptoms and possible causes, and much more. questions range from what causes hair to turn grey, possible causes of pains, origins of viruses, and anything to do with conditions and diseases associated with health.

232,623 questions

'history, politics and society' deals with the affairs of human beings. the categories overlap to a degree: 'history' describes changes in those affairs, and encompasses the other two; 'politics' is about how people govern themselves; and 'society' is about how people organize and conduct their lives. questions here range from ancient history to history-in-the-making, political views to decisions of lawmakers, and present and past societies and how people relate to each other within their societies.

224,781 questions