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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'.
We don’t tend to realise it, but there are complex processes happening in our body at all times just to keep us upright. from www.shutterstock.com.au

Explainer: how do our bodies balance themselves?

The fact we are almost totally unaware of this elegant reflex is evidence of the superb, undercover work the balance system does for us.
An epidural takes up to 45 minutes to work, so if the baby’s coming it could be too late. from www.shutterstock.com.au

Explainer: what is an epidural for labour?

Epidurals were developed for pregnant women to address the severe pain of labour. In Australia approximately one in three pregnant women in labour has an epidural for pain relief.
Dyspraxia is a neurodevelopmental disorder, meaning it affects brain function and unfolds as the person grows. somsak nitimongkolchai/Shutterstock

Explainer: what is dyspraxia and how is it different to clumsiness?

Most of us learn to tie our shoelaces, dress ourselves and eat with cutlery with relative ease. But for children with dyspraxia, these tasks are incredibly difficult to master.
It’s common for presidential candidates to announce their campaigns 18 months or more in advance of election day. Reuters/Carlos Barria

Everything you wanted to know about US elections but were afraid to ask

Global audiences have heard of US election terms like the primaries, the conventions and the Electoral College. But the history and exact meaning of these terms remains a mystery to many.
Cataracts are one of the leading causes of visual impairment globally. Rakesh Ahuja, MD/Wikimedia Commons

Explainer: what are cataracts?

More than a million Australians have an untreated cataract and hundreds of cataract surgeries are performed daily, but what are they?
A Hanjin Shipping Co ship stranded outside the Port of Long Beach, California, one of many around the world. Lucy Nicholson/Reuters

Explainer: why Hanjin’s ships are stranded around the globe

South Korean Hanjin Shipping has ships and crews stranded in ports around the world as creditors and customers wait to see if the company can be saved.

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