Australians came out in solidarity with the Muslim community following a siege at a Sydney cafe, as tens of thousands tweeted the hashtag #illridewithyou.
A teenager was killed in a shark attack at a reef off Australia's northeast coast, with ambulance officials saying he was dead by the time he reached shore.
Australia's Prime Minister Tony Abbott, who was famously accused of misogyny by former leader Julia Gillard suggested sexism was behind criticism of his female chief-of-staff.
"Shirtfront", an aggressive Australian sports term used by Prime Minister Tony Abbott, was picked as the National Dictionary Centre's word of the year.
Australian film star Nicole Kidman has described 2014 as her toughest ever year, saying the sudden death of her father in Singapore had left her family in "so much pain".
The WHO introduced new cervical cancer guidelines, making it easier and cheaper to protect women against one of the deadliest, but most preventable, diseases.
Japanese Prime Minister Shinzo Abe said he wanted deeper defence ties with the United States and Australia to ensure peace throughout the Asia-Pacific region.
The fall in oil prices to their lowest levels in more than three years should give a boost to the sagging world economy, the International Monetary Fund said.
Australian surgeons said they have used hearts which had stopped beating in successful transplants, in a world first they said could change the way organs are donated.