1.	Quirky Quantum and Nuclear Physics By Author: jonnowales (rank 31 site-wide) Quantum physics is an extraordinary field in every way imaginable. Here is just a taster of the strange way that physics manifests itself at the atomic level. This focuses on wave-particle duality and the nucleus. Enjoy!
2.	Name that Disease! By Author: jmorrow (rank 191 site-wide) Many medical ailments are named for the physicians who first identified the condition or, in rarer cases, for notable people who suffered from the disease. This quiz covers ten examples of well-known illnesses that took their names from people.
3.	Cosmic Microwave Background Radiation By Author: CellarDoor (rank 192 site-wide) One of the pillars of cosmology, the cosmic microwave background radiation (CMB) gives some of our best evidence about the big questions of the universe.
4.	Look What I Found - Accidental Discoveries By Author: Matthew_07 (rank 196 site-wide) Did Crick and Watson discover the double helix structure of DNA by chance? No, they didn't. Were Tesla's electricity and magnetism findings pure luck? No, they weren't. But these 10 people did! Let's hear the stories of their serendipitous discoveries.
5.	A Long History in Measuring Time By Author: LeoDaVinci (rank 213 site-wide) This quiz is based on the Author Challenge from kyleisalive. Measuring time has evolved from an art to a science. Let us explore the different methods used over history in the measurement of something we all take for granted - time.
6.	Water in Biology By Author: jonnowales (rank 222 site-wide) This quiz was inspired by an essay I had to write in my final biology exam. Questions are based on the importance of water in biological systems. Enjoy!
7.	Inside a Coal-Fired Power Plant By Author: CellarDoor (rank 295 site-wide) The electricity you're using to play this quiz may come from one of the hundreds of coal-fired power plants that together generate more than 40% of the world's electricity. Let's explore what makes it possible to turn on the lights.
8.	Toupée or Not Toupée, That is the Question By Author: glendathecat (rank 329 site-wide) In response to an Author Challenge by demurechicky, here is a journey into the world of ... male pattern baldness! Join Aaron as he learns ever more about his condition. It promises to be educational, enlightening and everything except hair-raising.
9.	A "C"avalcade of Physics Vocabulary By Author: CellarDoor (rank 335 site-wide) "C"learly, "C" is a "c"rucial letter when it "c"omes to "c"omprehending physics. Test your knowledge of these important "c" words and phrases!
10.	Science in Antarctica By Author: CellarDoor (rank 386 site-wide) Over the past several decades, this forbidding continent has become one of the world's most important -- and improbable -- scientific centers. See what you know about the research being done FAR down under!
11.	A Brief History of Particle Physics, Part I By Author: CellarDoor (rank 459 site-wide) Particle physicists have had an exciting century! In 1890 the field did not exist; in 2005 we are studying a "zoo" of elementary particles. Test your knowledge of how particle physics developed, up to the introduction of the quark model!
12.	Medical Maladies of the Rich and Famous By Author: MotherGoose (rank 481 site-wide) Can you match the symptoms and famous patients with the disease or disorder?
13.	Turn Up the Volume By Author: ralzzz (rank 577 site-wide) This quiz will look at the science of sound used in concert halls or theaters, the science of acoustical physics. Don't fret though, we'll keep this quite simple.
14.	Well Known Port Numbers By Author: gentlegiant17 (rank 652 site-wide) Knowledge of default port numbers used by the basic Internet services is important and handy even for home users. These "Well Known Port Numbers" (0-1023) are allocated by IANA (Internet Assigned Numbers Authority). So, how well do you know them?
15.	Basic Hospital Pharmacy Practice By Author: celicadriver (rank 670 site-wide) Follow me on my shift as a pharmacy technician at a large U.S. hospital, and learn about the medications and pharmacy processes being used to help the patients on each floor.
16.	Palindromic Numbers Party! By Author: Matthew_07 (rank 700 site-wide) Only palindromic numbers are invited to the party tonight, but you manage to disguise yourself as one of them and sneak in. Let's find out what is going on in the party...
17.	What Do You Know About Asperger's Syndrome? By Author: jonnowales (rank 739 site-wide) This is a quiz on the neurological disorder,'Asperger's Syndrome,' a condition which is part of the autistic spectrum and impairs social development. Enjoy!
18.	Special Relativity and the Space Patrol By Author: CellarDoor (rank 853 site-wide) The life of an interstellar police officer is never easy, but sometimes the laws of physics make it hard to enforce the laws of society. Let's ride along with Officers Albert, Max and Hendrik on a typical patrol.
19.	Nobel Physics 1901-1910 By Author: CellarDoor (rank 856 site-wide) The Nobel Prize in Physics rewards the most cutting-edge science of its time, and no one ever said it was easy -- but I bet you know more prize-worthy physics than you realize! Test your knowledge of some of humanity's greatest achievements.
20.	The Chemistry of Crude Oil By Author: jonnowales (rank 880 site-wide) The journey of crude oil from extraction to public use is a process that I find enjoyable. I hope you enjoy it as well!
21.	I Am Special! By Author: Matthew_07 (rank 939 site-wide) Every number is special. Ten numbers will give a brief introduction about themselves and you have to reveal their identities. Enjoy!
22.	You're the Doctor Today! By Author: Leau (rank 1095 site-wide) The waiting room is filled with patients, are you up for the challenge? Call in your first patient and let's get started!
23.	Get to Know Your Pancreas By Author: jonnowales (rank 1128 site-wide) The pancreas is a glandular organ situated in the abdominal region of the human body. It is critical to sustain life as it carries out many functions to keep characteristics of the human body in balance. Enjoy!
24.	Hopping through the Sonoran Desert By Author: PDAZ (rank 1149 site-wide) Flopsy the cottontail bunny is lost in the Sonoran Desert of the southwestern United States and northern Mexico. Can you help her navigate the flora, fauna and features of the Sonoran Desert as she makes her way home?
25.	Anemia Comes In All Sizes By Author: uglybird (rank 1291 site-wide) Anemia is often categorized by red cell size to assist in identification of the cause. See if you can determine the cause of anemia in the following examples.
26.	The Very Beautiful Chemistry Quiz By Author: NatalieW (rank 1370 site-wide) Welcome to a quiz on the chemistry of looking good and keeping healthy!
27.	The Science and History of Genetics By Author: jonnowales (rank 1371 site-wide) Genetics is an inspiring scientific discipline that helps explain some of the more difficult concepts of life and developmental biology. Yet, we know so very little about the field! Enjoy.
28.	Survival of the Fittest By Author: crisw (rank 1432 site-wide) In response to the Author's Challenge from demurechicky, here's a little quiz in celebration of Darwin's 200th birthday and the theory of evolution. How much do you know about natural selection?
29.	Phenomenal Physics! By Author: jonnowales (rank 1463 site-wide) Whether you love equations or hate them, they are crucial to understanding physical phenomena. I hope you enjoy and I also hope that the quiz doesn't bring back too many painful memories!
30.	Time Travel By Author: pagiedamon (rank 1467 site-wide) The idea of traveling to the future or past has intrigued people for centuries. Research in physics has shown that this concept may not be as impossible as it once seemed.
31.	Opiate Abuse and Addiction By Author: bethsch (rank 1537 site-wide) As a pharmacist, I was surprised to find so few quizzes on addiction and drug abuse. Opiate analgesics are the most common prescription drugs of abuse. Note:When I have used the brand name for a drug, the generic name is in parentheses.
32.	Mathematicians and Discoveries! By Author: Matthew_07 (rank 1577 site-wide) Over time, mathematicians discovered some really interesting properties of some numbers. Now, it's your turn to admire these amazing numbers and find out the stories behind them. Have fun!
33.	Evidence for Evolution- Discovery by Debate By Author: crisw (rank 1586 site-wide) I often engage in lively discussions with creationists who dispute the veracity of evolution. While researching, I have discovered some truly wonderful facts that support the theory of evolution.
34.	Scintillating Structural Chemistry By Author: jonnowales (rank 1605 site-wide) Structural chemistry is one of my favourite chemistry topics. It really gives you an understanding and appreciation for the fine details of atoms and elements. Enjoy!
35.	Epithelial Tissue By Author: reeshy (rank 1614 site-wide) This is a quiz based on epithelial tissue, one of four basic types of tissue in the body. I am studying at university, therefore it is advised to have done final year high school Biology. Have fun! (Extra info may help you in some later question
36.	The $25000 Drug Pyramid Part II By Author: celicadriver (rank 1657 site-wide) How much do you know about prescription and over-the-counter drugs? Start at the bottom of the pyramid with easier questions and work your way up to the insanity at the top! Same format as Part I, different drugs.
37.	More Patient Assessment Basics By Author: ecnalubma (rank 1688 site-wide) I was lucky enough to receive a number of compliments on my first quiz on Patient Assessment Basics. Due to the kindness of these people, here is my second quiz on patient assessment.
38.	Subatomic Particle Theory By Author: deputygary (rank 1718 site-wide) So you want to learn about subatomic particles? You have them. I have them. Llamas and bunnies have them. Everything has them. Take this quiz to learn more.
39.	Palindromic Numbers By Author: Matthew_07 (rank 1729 site-wide) Let see how much do you know about these intriguing palindromic numbers in the world of mathematics. Enjoy and have fun!
40.	Numbers Costume Party! By Author: Matthew_07 (rank 1761 site-wide) All numbers are coming to the costume party tonight, but they are in disguise! Now it's your task to find out their real identities.
41.	The iQuiz By Author: kyleisalive (rank 1779 site-wide) The ever-changing Apple iPod has invaded the music scene. Do you know about the operations and history of said devices? Good luck!
42.	Psychiatrist for a Day By Author: Catamount (rank 1907 site-wide) Imagine you're a psychiatrist for a day. Try to make a diagnosis from the following behaviours. It won't be too difficult.
43.	The A to Z of Mars Exploration By Author: mstanaway (rank 1909 site-wide) Take a look at the Red Planet and test your knowledge about the exploration of our most intriguing neighbour.
44.	Escape From Al Catraz By Author: uglybird (rank 1961 site-wide) Nate the sodium ion is trapped in the body of Alan Catraz. Can you help him escape? (Best played in “Flash” mode since interesting information may include clues to answers of subsequent questions.)
45.	Dialyse or Die By Author: nurf (rank 2159 site-wide) As a dialysis patient, this quiz is close to my heart (or should I say kidney). I hope you enjoy this quiz and find it informative.
46.	Vitamin “D”eification By Author: uglybird (rank 2211 site-wide) If you want your skeleton to be properly calcified, you’ll need to be properly “D”eified. Play this quiz and make sure you’re not vitamin “D”eficient.
47.	The $25000 Drug Pyramid Part I By Author: celicadriver (rank 2387 site-wide) How much do you know about prescription and over-the-counter drugs? Start at the bottom of the pyramid with easier questions and work your way up to the insanity at the top!
48.	Extra Solar Worlds By Author: Almach (rank 2459 site-wide) With advances in our technology, we can now detect worlds around other stars. This is a very difficult quiz, unless you are up on what's "new up there".
49.	You've Got a Lot of Nerve By Author: jonnowales (rank 2487 site-wide) You really do! Neurones ("neurons" in U.S. English) are fascinating and they manage to function at an extremely fast rate. Enjoy this quiz on an interesting part of physiology!
50.	The Autopsy -- Cause of Death #1 By Author: Zbeckabee (rank 2552 site-wide) An autopsy is the examination of a corpse, usually through dissection, in order to determine the manner and cause of death or to assess the physical change of the body as a result of disease. This quiz is U.S. specific.
51.	Cystic Fibrosis By Author: dixied1 (rank 2600 site-wide) I work as a respiratory therapist in a cystic fibrosis clinic in the United States. I hope you have fun with this quiz, and maybe learn a little too.
52.	Common Herbal Remedies By Author: chianti59 (rank 2650 site-wide) Many medications we take are derived from plants. Many people now are turning to herbal remedies to treat their medical conditions or minor ailments. How much do you know?
53.	A Window into the Human Body - Medical Imaging By Author: Scrambledegg90 (rank 2659 site-wide) It is difficult to overstate the importance of imaging techniques in modern medicine. I hope this quiz will be both an educational and entertaining affair on the basics of the most common techniques.
54.	Mathematical Terms in Popular Culture By Author: Mutchisman (rank 2693 site-wide) Terms from maths can turn up in unexpected places. Here are some from music, movies and the world of books. I'll describe a mathematical term and you choose the right title etc, have fun.
55.	Ethers and Epoxides By Author: Matthew_07 (rank 2710 site-wide) Ethers are used widely as organic solvents in many chemical reactions. On the other hand, epoxides are cyclic ethers that are used in the manufacture of glues.
56.	Fingerprints By Author: MotherGoose (rank 2764 site-wide) Everything you've ever wanted to know about fingerprints!
57.	Forensic Entomology - Busted By Bugs By Author: kathyr_1 (rank 2774 site-wide) Claudia Dreifus, writing for The New York Times, described a forensic entomologist as "Sherlock Holmes with a fly swatter and tweezers". You might not want to take this quiz immediately before or after eating.
58.	Dark Physics By Author: uglybird (rank 2795 site-wide) Some physicists seem obsessed with … well…nothing - with empty, vacuous blackness and the things that arise from it. Enter the world of dark physics. And don't a-void the seemingly obvious answers. They're probably correct.
59.	Superbugs! By Author: Catamount (rank 2826 site-wide) We are seeing the development of new strains of bacteria that are resistant to most antibiotics. Just how dangerous are they? The information in this quiz is mostly from the CDC.
60.	Haber not Einstein - "Nature's" Choice By Author: uglybird (rank 2853 site-wide) Is Fritz Haber's method for producing ammonia the most important scientific development of the 20th century? Knowledge of a little history and chemistry will insure that you score well as you consider the case made by the prestigious journal "Nature".
61.	ChemSpell II By Author: LadyCaitriona (rank 2985 site-wide) Back by request! I'm going to give you the names of elements, and you fill in the blank with the word that their symbols spell. All the elements will be in the proper order to correctly spell the word. (Do not put spaces in your answer!)
62.	Mount Palomar Observatory By Author: almach (rank 2996 site-wide) George Hale was very instrumental in the existance of the Mt. Palomar Observatory. Home of the largest reflector in the continental United States, a 200 inch mirror.
63.	The Hubble Space Telescope By Author: severnriver (rank 3210 site-wide) This quiz is not for rocket scientists only. Try it and see how much you know about the Hubble Space Telescope.
64.	Insect Physicians - Creepy Crawly Medicine By Author: Nannanut (rank 3222 site-wide) A small insight into the bedside manner of the Bug Doctors. Take an intriguing look at the part insects have played in the world of medicine.
65.	Binary Star Systems By Author: reeshy (rank 3238 site-wide) This quiz is based on a lecture I had as part of an Astronomy module called Life and Death of Stars. It is a Level 1 university course. Good luck and have fun playing!
66.	Diseases A to Z By Author: pusdoc (rank 3240 site-wide) An alphabetical amalgam of annoyances. Pick the pestilence that is portrayed.
67.	The Cadaver -- Body Decomposition By Author: Zbeckabee (rank 3255 site-wide) Depending upon the environment, a human body can decompose within several weeks or up to several years. The various stages of decomposition can give vital clues as to how long a person has been dead; an important step in the investigation of a death.
68.	Diatom details By Author: satguru (rank 3268 site-wide) Diatoms are extremely valuable members of the environment and contribute both to the food chain and the carbon chain. See how much you know about them.
69.	A Day In The Life Of The Anesthesiologist By Author: tihata (rank 3284 site-wide) For my first quiz, I thought I would write about my daily routine. Welcome to my world and hope you enjoy the quiz!
70.	Mass Extinction Events By Author: pshelton (rank 3304 site-wide) Scientists have identified a number of mass extinction events that have eliminated many species once present on Earth. How much do you known about them?
71.	I Hate Blackberries! By Author: crisw (rank 3328 site-wide) Does "blackberry" make you think of pies and jams? Well, meet the Himalayan blackberry. This noxious, invasive weed will quickly become the plant that you love to hate. You'll never look at one of those juicy berries the same way again.
72.	Tools of the Laser Optics Lab By Author: CellarDoor (rank 3334 site-wide) Optics research in general -- and laser research in particular -- have yielded stunning advances, both in the sum of human knowledge and in the shape of our daily lives. Can you find your way around a typical laser research lab?
73.	Forensic Dentistry By Author: MotherGoose (rank 3335 site-wide) Criminals can lie through their teeth but their teeth rarely lie! How much do you know about teeth and forensic dentistry?
74.	What You Need to to Know About CHF By Author: Windswept (rank 3350 site-wide) Congestive heart failure (CHF) is a prevalent health condition which is not limited to the elderly. This quiz will help you understand what it is and how to avoid it.
75.	Light - Particle vs Wave By Author: doublemm (rank 3464 site-wide) Here it is! The post match analysis of the showdown to decide once and for all whether light is a particle or a wave. Who will be the victor? Play this quiz and be prepared to be taken through the 350 year face-off!
76.	Circle Theorems By Author: jonnowales (rank 3499 site-wide) There are many ways of finding out the size of angles within circles. How good are you at geometry? Enjoy!
77.	Medical Terminology for Malingerers 2 By Author: MotherGoose (rank 3613 site-wide) The further medical misadventures of the master malingerer, Bruce Bludger (by request).
78.	Wollemi By Author: Nannanut (rank 3638 site-wide) The Wollemi Pine was discovered in an Australian National Park in 1994. The story of this ancient tree is much, much older.
79.	Bodily Inflammations By Author: jonnowales (rank 3661 site-wide) If you are playing this quiz, you have most probably had an (-itis) of some kind in the past, but, how is your overall knowledge on 'Bodily Inflammations?' Enjoy!
80.	A Geological Tour of the World By Author: zorba_scank (rank 3677 site-wide) While visiting a few natural wonders, which are famous tourist attractions around the world, let's take a look at the geological processes that led to their formation.
81.	A Trip to a Black Hole By Author: dijonmustard (rank 3706 site-wide) The idea of black holes was first presented in the 18th century and the theories were further expanded by Albert Einstein in the early 1900's. Follow Steven's trip to a black hole to see how much you know about the theories and speculations.
82.	Big Bang Experiment By Author: deepakmr (rank 3720 site-wide) On 10 September 2008, a landmark experiment commenced to try and recreate the conditions that happened just after the ‘Big Bang’. This quiz has ten questions about this experiment.
83.	The Nightmare Quiz By Author: uglybird (rank 3730 site-wide) You awake with a start - palms sweating, heart bounding. You drift back to sleep only to find yourself back in "The Nightmare Quiz".
84.	The Chemistry of Benzene By Author: jonnowales (rank 3736 site-wide) Benzene is a fascinating molecule which has caused many a chemist confusion in the past. Play this quiz to find out why and maybe even enjoy it along the way!
85.	Chem Spell: Nations Edition By Author: apathy100 (rank 3767 site-wide) You will be given the names of specific elements that are used to spell out the name of a country. If you're good with your chemistry and geography, this should not be too difficult. Good Luck!
86.	Who Put the 'H' in AD/HD? By Author: ing (rank 3798 site-wide) Everyone has an opinion about AD/HD: is it over diagnosed or under diagnosed? Should drugs be prescribed or not? Does it even exist at all? Until everyone can agree, here is a bit of what those who think they know, think they know!
87.	What - Ectomy? By Author: Midget40 (rank 3806 site-wide) "Ectomy" is a suffix meaning the removal of a body part. The word that precedes it indicates which part. What has been removed in these 10 surgical procedures?
88.	Thyroid Physiology By Author: Suerreal (rank 3826 site-wide) This quiz covers some basic and some more complex information about the thyroid gland and the hormones it produces.
89.	"A"dventures in Physics Vocabulary By Author: CellarDoor (rank 3860 site-wide) Physics is an "a"mazing field -- partly because of the "A" terms given here. Test your knowledge of the A Team of Physics!
90.	Am I Having A Heart Attack? By Author: ecnalubma (rank 3875 site-wide) Being able to recognise the signs and symptoms of a heart attack quickly is essential to saving someone's life. This quiz is here to help you learn what may or may not indicate a heart attack. Thank you to Chippy for suggesting this quiz.
91.	Finite Sums By Author: rodney_indy (rank 3960 site-wide) There are many formulas for finding certain sums. I will give you a formula, and you can use it to find the sum of the given finite series. You will need a calculator. Please do not put commas in your answers. Good luck!
92.	The Central Processing Unit By Author: WesleyCrusher (rank 4085 site-wide) This quiz is about the basic technology and facts behind any computer's most central component: the main processor. Come in and explore these complex electronic devices!
93.	Alzheimer's disease and other types of dementia By Author: janetgool (rank 4152 site-wide) This quiz is intended to provide information for family and friends of people with Alzheimer's disease and other types of dementia. It will include some useful advice, as well.
94.	Barnard's star By Author: almach (rank 4237 site-wide) Barnard's star was discovered by Edward Emerson Barnard in 1916. But what is so interesting about Barnard's star? Take the quiz and increase your knowledge.
95.	Evidence for Evolution- Parasites By Author: crisw (rank 4268 site-wide) Creationists have a pretty hard time just explaining why parasites are around. The evolution of parasites gives some fascinating evidence for evolution.
96.	Medical Terminology for Malingerers By Author: MotherGoose (rank 4412 site-wide) No malingerer can get along without some impressive medical terms in his/her vocabulary. Just make sure the boss doesn’t know what they really mean!
97.	Triangular Numbers By Author: Matthew_07 (rank 4439 site-wide) I have created quizzes about Fibonacci numbers, prime numbers and perfect numbers. Here is my latest installment- introducing the amazing and mysterious triangular numbers! Enjoy and thanks for playing.
98.	Physics - Bits and Bobs By Author: doublemm (rank 4508 site-wide) Here is a collection of questions from topics including elastic properties of solids, light and sub-atomic physics. Enjoy!
99.	Medical Meanings: Names of Bones By Author: MotherGoose (rank 4590 site-wide) Have you ever wondered "Why did they call it THAT?"? This quiz explores the meanings behind the names of some of the 206 bones which make up your skeleton.
100.	Open Wide - A Painless History of Early Dentistry By Author: Nannanut (rank 4600 site-wide) Sit back and relax. Join me as a fascinating history of early dentistry unfolds. A chair-gripping voyage of interesting experiments, practices and techniques. This won't hurt a bit!