Topics

Countries, borders, mountains, rivers and time zones, and the measurements that show how the map of the world fits together.

The seas that cover most of the planet: their depths, currents, tides and colour, and the dives and voyages that measured them.

Weather, climate, volcanoes and ice: how the planet's air and surface behave, with the record temperatures and the years they happened.

Famous landmarks and natural wonders around the world: how big they are, how old they are, and what visitors find there.

Events and turning points from the past, the myths that grew around them, and the dates that put them in order.

Empires, battles and wars from the ancient world to the twentieth century, with their dates, lengths and sizes.

Scientists, explorers, inventors and rulers from history, with the dates, distances and numbers behind their lives and work.

Ancient cities, monuments and machines from civilisations that have ended, and what their remains tell us about how they lived.

The planets, moons, stars and spacecraft of our Solar System and beyond, explained with distances, sizes and dates.

Physics, chemistry and the measurements behind everyday things, from light and air to the constant that now defines the kilogram.

How the body is built and how it works, from cells and organs to the senses, measured in plain numbers.

How animals and plants live, move and survive, from the oldest creatures ever found to the largest alive today.

Where words, letters and writing systems came from, how languages change over time, and the numbers behind how people speak.

How people see, remember and decide, told through the classic experiments that measured the mind and what they found.

Gods, legends, festivals and traditions from around the world, and the real places and objects connected to them.

Where everyday foods and drinks came from, how they are made and grown, and the numbers behind what people eat.

Bridges, towers, dams and monuments: how they were designed and built, and the materials and measurements behind them.

The machines and ideas that changed daily life, who made them, when they first worked, and how they work today.

Ships, trains, planes, cars and canals: the first journeys, the fastest crossings and the engineering that moves people and goods.

The deepest, tallest and fastest places and machines on Earth, and the measurements and years behind each record.