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Earth, shot from space, as it absorbs and reflects rays of light coming from the Sun - the same white-looking rays that give our sky its colour. NASA

Curious Kids: Why is the sky blue and where does it start?

Some people think the sky is blue because of sunlight reflected off the ocean and back into the sky. But that's not the real reason.
There is a common misunderstanding that one particular Qur’anic verse perpetuates violence against women. AAP/Lukas Coch

Explainer: what Islam actually says about domestic violence

Islam’s position on domestic violence is drawn from the Qur’an, prophetic practice, and historical and contemporary legal verdicts.
A compactor at work on Australian landfill. via Wikimedia commons

Explainer: how much landfill does Australia have?

Australia sends 20 million tonnes of garbage to landfill every year. With thousands of sites across the nation, it's hard to track exactly how many there are, where they are, and what's filling them.
Chemotherapy is the use of drugs to treat cancer. It is often paired with surgery, radiotherapy and immunotherapy in a cancer treatment plan. From Shutterstock,

Explainer: what is chemotherapy and how does it work?

Chemotherapy is the use of drugs to treat cancer. It is often paired with surgery, radiotherapy and immunotherapy in a cancer treatment plan.
Classified documents. www.shutterstock.com

What is classified information, and who gets to decide?

A professor who once held top secret clearance explains how levels of classification work and where handling sensitive information gets tricky.
B.A. Santamaria (left) played a significant role in the Labor split and the formation of the Democratic Labor Party. Wikimedia Commons

Australian politics explainer: the Labor Party split

Viewed from today’s post-Cold War and secularised society, the conflicts at heart of the Labor split appear curiously arcane. Yet its ghosts remain.
People with delirium may hallucinate. from shutterstock.com

Explainer: what is delirium and is it dangerous?

Delirium is a neurological (nervous system) condition where a person becomes suddenly confused. Around one in five elderly people in hospital suffer from delirium.
Some Christians interpret Biblical teachings to say that women are essentially equal to men, but should be submissive to male leaders in the church and home. Shutterstock

Explainer: why some churches teach that women are ‘separate but equal’

Complementarianism is the view – held by some Australian churches – that men and women have separate and divinely ordained roles: men are 'spiritual leaders' while women are 'helpmeets'.

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