Inventor of the Celsius temperature scale and the Celsius thermometer, he became professor of astronomy at the University of Uppsala in 1730.

CNN: Thursday,

They are carried out at a scale so small that room temperature induces wigglings of the AFM's constituent molecules that would blur the images, so the apparatus is kept at a cool -268C.

BBC: Atomic bond types discernible in single-molecule images

One of the ways scientists study the CMB is by subjecting the warm and cold spots in the radiation to a detailed statistical analysis, examining the deviations in temperature as a function of their size on the sky - their angular scale.

BBC: The first fractions of a second after the Big Bang

Today Argo provides the first-ever global-scale, all-weather subsurface observations of the oceans, an unprecedented dataset for researchers studying the temperature, salinity, and circulation of the global oceans and how these change over periods ranging from days to decades.

UNESCO: Building the Wealth of Nations

The heatwave across Australia in recent weeks has been so intense that the Bureau of Meteorology has had to add a new shade to its colour-coded temperature chart, so the scale now reaches above 50C.

BBC: Sydney bakes on hottest day on record as bushfires rage