Find your next read.
Pick a topic. Follow your curiosity.
Back to the illustrated libraryCuriosity
All topics- Why do cats love boxes?2 min read
- Why are the Oscars called Oscars? A Hollywood mystery2 min read
- Why does popcorn pop? The science inside a tiny kernel2 min read
- Why do the clocks go back?3 min read
- Why are the northern lights different colours?3 min read
- Why is the middle of a hurricane so calm?3 min read
- Why can you feel an earthquake far away?3 min read
- How does an egg turn into a cloud of meringue?3 min read
- Why does the Sun stay up at midnight in Norway?3 min read
Everyday inventions
All topics- Why does a microwave have a turntable?2 min read
- Why is the keyboard QWERTY, not ABC?2 min read
- How does a toilet flush without electricity?2 min read
- Pencil grades: what do H, B and HB actually mean?2 min read
- How does a zipper work?2 min read
- How do hook-and-loop fasteners work?2 min read
- How does a ballpoint pen work?2 min read
- How were Post-it Notes invented? The glue that lets go2 min read
- Was bubble wrap invented as wallpaper? Yes, really1 min read
Geography
All topics- What is a fjord? A valley with the sea inside2 min read
- Why is the Dead Sea so salty?2 min read
- What is a river meander? Meet a bend that moves2 min read
- The world’s largest desert is covered in ice. How?2 min read
- Why is the ocean salty if rivers are fresh?2 min read
- What shape is Nepal’s flag? Meet the double pennant2 min read
- Why is Canberra the capital of Australia, not Sydney?2 min read
- Why does Greenland look so big on a map?2 min read
- Why do we have time zones? One planet, different clocks3 min read
- How to learn world flags without mixing them up2 min read
Getting started
All topicsHistory
All topics- Why did the Titanic sink? How flooding overwhelmed the ship2 min read
- Why does Britain drive on the left?2 min read
- Why is the Mona Lisa famous? A smile and a theft2 min read
- Why does Roman concrete last so long? Look at the little lumps2 min read
- Cleopatra and the Moon landing: closer than the pyramids?2 min read
- Days, weeks, months and years explained2 min read
- Why did Britain skip 11 days in 1752?1 min read
- Is 2100 a leap year? Why the calendar skips it2 min read
- How to read Roman numerals2 min read
- What century is 1900? The dates that trip us up1 min read
Learning
All topics- What is an earworm? Why a song gets stuck in your head2 min read
- What is the Stroop effect? When a word gets in the way2 min read
- Does reading aloud help you remember?2 min read
- What is the Pomodoro technique? Meet the study tomato2 min read
- What is interleaving? Give your practice a little shuffle2 min read
- What is chunking? Give your memory fewer things to juggle2 min read
- Can you explain what you’ve learned?3 min read
- Could you draw a familiar logo from memory?3 min read
- Can a wrong guess help you learn? Meet pretesting2 min read
- How to remember what you learn in a quiz2 min read
Numbers & logic
All topics- Mean vs median: the biscuit tin that changes the average2 min read
- Percentage change: the 20% trap2 min read
- Coin flip probability: can a coin remember five heads?2 min read
- Prime numbers: why does 1 get left out?2 min read
- What is a ratio? One cup of juice, three cups of water2 min read
- Venn diagram examples: who wants both pizza toppings?2 min read
- What is a square number? Start with nine tiles2 min read
- Basic arithmetic: seven friendly places to start2 min read
- How to divide by 5 in your head: double first3 min read
- Tenths and hundredths: decimals made simple2 min read
- How to add fractions, one piece at a time2 min read
- Which fraction is bigger?2 min read
- Counting and zero: what’s in an empty cup?2 min read
- How division works: sharing equally2 min read
- Double one number, halve the other2 min read
- Why 1/2 and 2/4 mean the same amount2 min read
- Fractions start with equal pieces2 min read
- Is it certain, or just possible?2 min read
- Make ten before you add the rest2 min read
- Number patterns: check every jump2 min read
- What do the two numbers in a fraction mean?2 min read
- Turning or flipping a shape: what changes?2 min read
- What is the difference between “and” and “or”?2 min read
- Repeating patterns: how to find the minimum period2 min read
- Tens and ones: why 23 and 23 tens are different2 min read
- What does adding actually mean?2 min read
- Multiplication starts with equal groups2 min read
- How does subtraction work?2 min read
- 5 printable number puzzles for your next break3 min read
- An easier way to add numbers in your head3 min read
- How to play Number Route3 min read
- Multiply by 11: ten groups, then one more3 min read
- What does a percentage mean?3 min read
- How to spot patterns in number sequences2 min read
Science & nature
All topics- How are rainbows formed? The trick inside a raindrop2 min read
- Why do stars twinkle? The sky’s tiny light show2 min read
- Why are soap bubbles round? Surface tension at work2 min read
- Why are sunsets red?2 min read
- Why is the sky blue?2 min read
- What is a DANA, and why can it bring heavy rain?2 min read
- Why do onions make you cry?2 min read
- Why do we always see the same side of the Moon?2 min read
- Solar eclipse vs lunar eclipse: who is in the middle?2 min read
- Why are flamingos pink? It starts with dinner1 min read
- Why do we have day and night?2 min read
- Stalactites vs stalagmites: a trick to tell them apart2 min read
- Why does thunder come after lightning?2 min read
- Why is summer warmer than winter?2 min read
- Why do octopuses have three hearts?1 min read
- Why does the Moon seem to change shape?2 min read
Sports
All topics- How long is a soccer game? Why the clock keeps going2 min read
- What is the offside rule in football?2 min read
- Why are basketball hoops 10 feet high?2 min read
- Why are football cards red and yellow? Blame a traffic light2 min read
- Why is a marathon 26.2 miles? The story of those extra yards2 min read
- Why do golf balls have dimples? And how many are there?1 min read
- Why do tennis players change ends?3 min read
- Why are tennis balls yellow? The television connection1 min read
- What do the Olympic ring colours mean?1 min read
- Tennis scoring explained: love, deuce and advantage2 min read
Words & puzzles
All topics- Why does English have silent letters? Meet knight and debt2 min read
- Oxymoron examples: how can silence be deafening?2 min read
- What is a pangram? The quick brown fox has a job2 min read
- Portmanteau examples: the two words hiding in brunch2 min read
- Anagrams: how did LISTEN become SILENT?2 min read
- Palindromes: LEVEL has a neat little secret2 min read
- Flour or flower? Homophones in everyday sentences2 min read
- Contronyms: when a word means its own opposite2 min read
- Why do repeated letters turn grey in word games?3 min read
- How to find the link in a Connections puzzle3 min read