Scientists at the National Institute of Standards and Technology (NIST) have created a new thermometer using atoms boosted to such high energy levels that they are a thousand times larger than normal.

Physicist Dr Helen Czerski explores the extraordinary science of temperature. She unlocks the extremes of the temperature scale, from absolute zero to searing heat of stars.

Your baby having a fever can be one of the first signs that they are feeling under the weather. As a parent, one of the biggest challenges is when your baby is feeling unwell. When it’s warm ...