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Artículos sobre Explainer

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Bill Shorten has introduced a bill into parliament to amend the Marriage Act and allow same-sex marriage in Australia. AAP/Mick Tsikas

Explainer: how Australia can legalise same-sex marriage

The legislative reform required to allow same-sex marriage is not complicated. There is relative consensus as to how this can be achieved.
A man undergoes “xenodiagnosis” for Chagas disease in the Argentine province of Corrientes. In this procedure, uninfected triatomine bugs feed on the blood of patients. Later examination of these insects may reveal parasites acquired from infected blood. German Pomar/Reuters

Explainer: what is Chagas disease?

This parasitic infection is endemic in Central and South America, and can lead to serious health complications. Though rare in the US, incidence is starting to increase.
How do we think about something we can’t see and don’t experience in our everyday lives, but seems to be pushing our universe apart ever faster? NASA, ESA, G. Illingworth, D. Magee, and P. Oesch (University of California, Santa Cruz), R. Bouwens (Leiden University), and the HUDF09 Team

Explainer: the mysterious dark energy that speeds the universe’s rate of expansion

Einstein’s theory of gravity says dark energy must be out there, accelerating the expansion of our universe. But what is it and how can we try to figure out more about it?
The process of therapy is challenging and takes courage. Photographee.eu/Shutterstock

Explainer: what is cognitive behaviour therapy?

If you or someone you care about experience an emotional problem it won’t be long before you hear that cognitive behaviour therapy, or CBT, is probably the treatment of choice.
Sometimes you need more than a romantic sunset. Renate Flynn/Flickr

Happy endings: the ins and outs of clinical sexology

Sexology is the interdisciplinary scientific study of human sexuality, including sexual behaviours, interests and function. A sexologist is a trained professional who specialises in human sexuality.
The main dome of the Blue Mosque in Istanbul. ninara/Flickr

Who is Allah? Understanding God in Islam

Allah, the divinity at the heart of Islam, has 99 names and is often poorly understood outside the faith. Islam recognises no god but Allah, who revealed scriptures to bothJewish and Christian prophets before Mohammed.
The placenta plays a critical role in pregnancy, fetal development and health throughout life. Remy Sharp/Flickr

Explainer: what is placenta?

An incredibly complex and important organ in its own right, the placenta is only found in mammals. And how it functions has the potential to have profound effects on the lifelong health of the developing foetus.
Patients pay a contribution towards the cost of their medication to the pharmacist who then claims the difference between what they paid and the patient contribution from the government. Gustavo Gomes/Flickr

Explainer: what is the Community Pharmacy Agreement?

Australians make an average of 14 visits to the pharmacy for medicines and advice every year but most don’t know about the agreement that governs how we buy government-subsidised medicines from them.
Narcissism is a key trait in the subset of ‘dramatic, emotional and erratic’ personality disorders. ShellyS/Flickr

Explainer: what are personality disorders and how are they treated?

Personality disorders have been richly illustrated by filmmakers. Think of attention-seeking Scarlett in Gone with the Wind. Or the villains in Silence of the Lambs and The Talented Mr. Ripley.

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