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If you’ve ever needed a blood transfusion, or donated blood, you probably would have been asked your blood type. While it was once thought all blood was the same, we now know there are different types of blood, called blood groups. Transfusions between blood groups can be catastrophic, even deadly, so knowing the blood type of donors and recipients is of the utmost importance.

Our bodies contain trillions of red blood cells. Each is covered in an array of proteins and sugars, inherited from our parents, which determine our blood group. We can all be classified into group A, B, AB or O, based on which sugars coat our red blood cells.

Here are some surprising facts about humans’ effect on planet Earth. We have made enough concrete to create an exact replica of Earth 2mm thick. We have produced enough plastic to wrap Earth in clingfilm. We are creating “technofossils”, a new term for congealed human-made materials – plastics and concretes – that will be around for tens of millions of years.

But it is the scale that humans have altered Earth’s life support system that is the most concerning.

 shutterstock.comSitting has been branded the “new smoking” for its supposed public health risks, especially for people with sit-down office jobs.

Over the past 15 years or so sitting has been linked with cancer, heart disease and diabetes and even

Fictional metaphors matter, and in the battle to safeguard our civil liberties few metaphors matter more than George Orwell’s 1984. Although first published almost 70 years ago, the lasting salience of this most archetypal dystopia is undeniable.

The latest performance tables for secondary and primary schools in England have been released – with parents and educators alike looking to the tables to understand and compare schools in their area.

Schools will also be keen to see if they have met a new set of national standards set by the government. These new standards now include “progress” measures, which are a type of “value-added measure”. These compare pupils’ results with other pupils who got the same exam scores as them at the end of primary school.

The number of Australians who run for exercise has doubled since the mid-2000s. Preventing and managing injuries are common concerns, and can present an ongoing health burden and high cost if not addressed appropriately.

But what if listening to the sound of running could help prevent injuries?

We recently conducted the first study to relate running technique with the sound of feet hitting the ground. Listening could prove a simple and effective feedback mechanism for runners, coaches and clinicians to understand how runners land their feet and the potential for certain injuries.