Purple fumes: the importance of iodine
Iodine, with its characteristic purple vapours, has myriad applications – from the familiar disinfectant to innovative solar cells.
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Iodine, with its characteristic purple vapours, has myriad applications – from the familiar disinfectant to innovative solar cells.
A group of German researchers is bringing to light the medicinal wisdom of the Middle Ages.
Measuring the temperature inside a fusion reactor is no easy task. Find out how it’s done – and even simulate it in the classroom.
Studying the chemical composition of some of the planet’s oldest rocks has revolutionised our understanding of how our continents formed.
We all know what a kilogram is – or do we? Researchers worldwide are working to define precisely what this familiar unit is.
Many of us have had our teeth straightened with braces. Few people know, however, that orthodontics involves a great deal of fundamental science and fast-moving technology.
Until a few centuries ago, people believed that the world was made only of earth, air, water and fire. Since then, scientists have discovered 118 elements and the search is on for element 119.
What links your jeans, sea snails, woad plants and the Egyptian royal family? It’s the dye, indigo. Learn about its fascinating history and how you can extract it at school.
Finding out what is going on in the core of a fusion experiment at 100 million degrees Celsius is no easy matter, but there are clever ways to work it out.
Why is symmetry so central to the understanding of crystals? And why did ‘forbidden’ symmetry change the definition of crystals themselves?
Purple fumes: the importance of iodine
Monastic medicine: medieval herbalism meets modern science
A thermometer that goes to 200 million degrees
Cracking the mystery of how our planet formed
Weighing up the evidence: what is a kilo?
The changing face of orthodontics
The numbers game: extending the periodic table
Indigo: recreating Pharaoh’s dye
Seeing the light: monitoring fusion experiments
The new definition of crystals – or how to win a Nobel Prize