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464 quizzes available

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Flags of the World: Colors and Symbols
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Geography
EasyFlags of the World

Flags of the World: Colors and Symbols

Sri Lanka's golden lion brandishing its sword, Kazakhstan's 32-rayed sun, Croatia's red-and-white checkerboard inherited from the Middle Ages, Argentina's Sun of May: twenty flags to identify.

2 min
Breathing: The Art of Proper Breathing
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Health & Wellness
Easy

Breathing: The Art of Proper Breathing

Cardiac coherence happens at 5 to 6 breaths per minute, the diaphragm does 70% of the work, air is only 21% oxygen: test what your breath really says about you.

1 min70%
Extreme Weather Phenomena
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Nature
Easy

Extreme Weather Phenomena

An EF5 tornado on Ted Fujita's scale destroys everything, El Nino returns every 2 to 7 years, and a blizzard requires winds above 56 km/h for 3 hours. Test your extreme weather.

1 min90%
Tech Founders: The Visionaries
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Technology
Easy

Tech Founders: The Visionaries

Jobs and Wozniak built Apple in a garage in 1976, Zuckerberg coded Facebook from his Harvard dorm in 2004, Bezos launched Amazon selling books. Can you name the founders behind each empire?

2 min80%
Video Game Secrets and Easter Eggs
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Video Games
Expert

Video Game Secrets and Easter Eggs

The Konami Code was created by Kazuhisa Hashimoto for Gradius in 1986, Warren Robinett hid his name in Adventure on Atari 2600, and Rockstar mocks snoopers atop the Gant Bridge in GTA San Andreas.

4 min
Space and Astronomy
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Science
Easy

Space and Astronomy

The James Webb, launched on December 25, 2021, observes galaxies born just after the Big Bang, Andromeda heads toward us at 110 km/s, and Olympus Mons on Mars peaks at 21 km, 2.5 times Everest. Test your astronomy.

1 min
Christmas: Traditions, Legends and Symbols
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News & Society
Medium

Christmas: Traditions, Legends and Symbols

German fir tree, Santa Claus in red since 1931, KFC in Japan: 20 questions on the origin and customs of end-of-year celebrations.

3 min75%
Famous Museums
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Travel & Tourism
Easy

Famous Museums

The Louvre draws 10 million visitors a year, the British Museum has held the Rosetta Stone since 1753, and the Hermitage occupies the former Winter Palace of the tsars. Test your knowledge of the great museums.

1 min80%
Art Photography: The Eye of the Masters
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Art
Easy

Art Photography: The Eye of the Masters

Daguerre patents his process in 1839, Robert Frank publishes The Americans in 1958, Cartier-Bresson co-founds Magnum and Annie Leibovitz signs the covers of Rolling Stone. Test your masters of the lens.

1 min40%
Yoga: Poses and Benefits
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Health & Wellness
Medium

Yoga: Poses and Benefits

Adho Mukha Svanasana, Savasana, the 12-pose Surya Namaskar, pranayama: yoga isn't just stretching. Test your Sanskrit vocabulary and your basics of the practice.

2 min
Musical Duos: Legendary Collaborations
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Music
Easy

Musical Duos: Legendary Collaborations

Queen and Bowie improvise Under Pressure in 1981, Elton John and Kiki Dee hit number 1 in 1976, Eminem and Rihanna explode in 2010. 10 features whose chorus you know better than the duo behind it.

1 min60%
E-commerce
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Business & Economics
Easy

E-commerce

Amazon launched from Jeff Bezos's garage in 1994, Alibaba started by Jack Ma in Hangzhou in 1999, the first item sold on eBay (a broken laser pointer at $14.83): 10 questions on the backstage of global e-commerce.

1 min80%