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Two bottlenose dolphins (Tursiops truncatus) cooperate in a button-pressing task requiring precise behavioural synchronization. Dolphin Research Center

It’s teamwork: how dolphins learn to work together for rewards

Dolphin pairs had to learn to push buttons at the same time to get a reward. So what happened when one dolphin figured that out, while the other still had to learn?
A memorial by sculptor Margriet Windhausen depicts the life-size figures of Kate Sheppard and other leaders of the Aotearoa New Zealand suffrage movement. Bernard Spragg/Wikimedia Commons

Why New Zealand was the first country where women won the right to vote

125 years ago today women in New Zealand were the first to win the right to vote. Why did this global first happen in a small and isolated corner of the South Pacific?
The term ‘cisgender’ entered the Oxford English Dictionary in 2015. Shutterstock.com

Explainer: what does it mean to be ‘cisgender’?

The prefix ‘cis’, meaning ‘on this side of’ is commonly used in chemistry and geography. More recently, it has become a way of referring to a person’s gender identity.
The Minister for Jobs and Industrial Relations has a message for both employers and the long-term unemployed. Mick Tsikas/AAP

O'Dwyer to business: ‘step up’ to help the unemployed

The Minister for Jobs and Industrial Relations is set to tell businesses leaders at a summit today that they need to do more to assist the unemployed into jobs.
If the trade war with China escalates, siding with the US is going to cost, but Australia’s long-term national interests still lie with it. Shutterstock

Trump versus China means picking sides

There can be no middle road in the trade war between China and the United States. Soon we will have to pick sides.
There are many pharmacological options available for insomnia. But they will mostly make you reliant upon them for sleep. from www.shutterstock.com

I can’t sleep. What drugs can I (safely) take?

With so many different types out there, it’s hard to know what sleep medications are safe to use. Here’s a guide.
Australia is a long way from achieving responsible consumption and production – SDG 12 – and China exposed the reliance on shifting the problem elsewhere when it stopped accepting waste for recycling. Joe Castro/AAP

Business as usual? The Sustainable Development Goals apply to Australian cities too

Australia has yet to properly acknowledge that the Sustainable Development Goals aren’t just an issue for other countries. The problems that demand our attention are much closer to home.
People with dementia often experience a range of psychological symptoms and behaviour changes. from shutterstock.com

Needless treatments: antipsychotic drugs are rarely effective in ‘calming’ dementia patients

Because of their sedative effect, antipsychotic medications are often used – in fact they are over-used – to “manage” people with dementia. This is against clinical guidelines.
Since California passed the first medical marijuana law in 1996, 30 US states and the District of Columbia have legalised medical marijuana. from www.shutterstock.com

Legalising medical marijuana shows no effect on crime rates in US states

People opposing medical marijuana are often concerned about increased crime rates, but analysis of city-level data across the US found medical marijuana laws have little effect on crime.
New Zealand’s emission reduction target for 2030 is to bring emissions to 30% below 2005 levels, and to be carbon neutral by 2050. from www.shutterstock.com

Why NZ’s emissions trading scheme should have an auction reserve price

With consultation underway to improve the New Zealand emissions trading scheme, experts argue that a reserve price on emissions units could help rebuild confidence in low-emission investment.
Protests during the Iranian Revolution, 1978 represent broader struggles across the region between secular and Islamic models of governance playing out. Wikicommons

World politics explainer: the Iranian Revolution

The Iranian Revolution was a hard-fought battle for those in favour of the Islamist model of governance, inspiring similar movements that have had varying degrees of success across the region.
Researchers have identified six broad groups of young people categorised by their views on religion and spirituality. Shutterstock

New research shows Australian teens have complex views on religion and spirituality

A new study reveals Australian teenagers do not relate to established ideas on religion and spirituality. Instead, they fall into six broad groups and show great tolerance for others’ ideas.
Environmental water is not a luxury – it’s vital for river ecosystems and everyone who depends on them. AAP Image/Dean Lewins

Giving environmental water to drought-stricken farmers sounds straightforward, but it’s a bad idea

Deputy Prime Minister Michael McCormack has suggested changing the rules to allow ‘environmental’ water to be diverted to drought-hit farms. But the idea would be far less straightforward in practice.