The Conversation

The Conversation

The Conversation

The Conversation is an independent source of news and views, funded by the academic and research community and delivered direct to the public. The Conversation launched in Australia in March 2011.
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Obesity Is The Second Leading Preventable Cause Of Death - Will More Sin Taxes Help?

Obesity Is The Second Leading Preventable Cause Of Death - Will More Sin Taxes Help?

The opioid crisis and deaths related to e-cigarette use among teenagers have dominated news headlines recently. Recently, the Centers for Disease Control and Prevention reported that 34 people had died as a result of vaping and, in 2017, opioid addiction was responsible for more than 47,000 deaths in the U.S. Opioid addiction has been declared a public health emergency.

Why There Are Seven Days In A Week

Why There Are Seven Days In A Week

Waiting for the weekend can often seem unbearable, a whole seven days between Saturdays. Having seven days in a week has been the case for a very long time, and so people don’t often stop to ask why. Most of our time reckoning is due to the movements of the planets, Moon and stars. Our day is equal to one full rotation of the Earth around its axis. Our year is a rotation of the Earth around the Sun, which takes 364 and ¼ days, which is why we add an extra day in February every four years, for a leap year.

When An App Can Predict Your Life Expectancy, Do You Want To Know?

When An App Can Predict Your Life Expectancy, Do You Want To Know?

When will I die?This question has endured across cultures and civilisations. It has given rise to a plethora of religions and spiritual paths over thousands of years, and more recently, some highly amusing apps. But this question now prompts a different response, as technology slowly brings us closer to accurately predicting the answer. Predicting the lifespan of people, or their “Personal Life Expectancy” (PLE) would greatly alter our lives. On one hand, it may have benefits for policy making, and help optimise an individual’s health, or the services they receive.

Is The Red Giant Betelgeuse About To Explode?

Is The Red Giant Betelgeuse About To Explode?

Every season has its characteristic star constellations in the night sky. Orion – one of the most recognizable – is distinctly visible on crisp, clear winter nights in the northern hemisphere. The constellation is easy to spot even in light-polluted cities, with its bright stars representing the shape of a person.

How Restricting Legal Trade In Endangered Species Backfires

How Restricting Legal Trade In Endangered Species Backfires

Every year humans buy and sell hundreds of millions of wild animals and plants around the world. Much of this commerce is legal, but illegal trade and over-harvesting have driven many species toward extinction.One common response is to adopt bans on trading in threatened or endangered species. But research shows that this approach can backfire. Restricting high-value species can actually trigger market booms.

Spurious Thinking: Why You're More Susceptible To Misinformation Than You Think

Spurious Thinking: Why You're More Susceptible To Misinformation Than You Think

Online misinformation works, or so it would seem. One of the more interesting statistics from the 2019 UK general election was that 88% of advertisements posted on social media by the Conservative Party pushed figures that had already been deemed misleading by the UK’s leading fact-checking organization, Full Fact. And, of course, the Conservatives won the election by a comfortable margin.

Is Perrier Bad For Your Teeth?

Is Perrier Bad For Your Teeth?

For many people, the start of a year is a time for new health resolutions – be it eat more vegetables, consume less sugar or drink more water. Keeping hydrated is essential for body functions such as temperature regulation, transporting nutrients and removing waste. Water even acts as a lubricant and shock absorber for joints.But while most people know they should drink more water, it can be a bit boring. So what about sparkling water as an option to liven things up a bit? After all, sparkling water is just as good as normal water, right? Not quite.

Scaremongering Suncreen: The Myths And Why They're Wrong

Scaremongering Suncreen: The Myths And Why They're Wrong

Many people are reluctant to use sunscreen, even though it’s an important element in preventing the skin cancers that affect about two in three of us at some time in our lives. The Cancer Council says myths about sunscreens contribute to this reluctance. Here are 4½ sunscreen myths and what the evidence really says. Confused about the ½? Well, it’s a myth most of the time, but sometimes it’s true.

Broadcast News At 100: How Radio Shaped The Modern World

Broadcast News At 100: How Radio Shaped The Modern World

Eighty-one years ago, a broadcast of Orson Welles’s War of the Worlds supposedly caused mass hysteria in America, as listeners thought Martians had invaded New Jersey.There are varying accounts of the controversial incident, and it remains a topic of fascination, even today.Back when Welles’s fictional Martians attacked, broadcast radio was considered a state-of-the-art technology. And since the first transatlantic radio signal was transmitted in 1901 by Guglielmo Marconi, radio has greatly innovated the way we communicate.

Dickens Created Victorian Christmas, And That Imagery Shapes Christmas Now

Dickens Created Victorian Christmas, And That Imagery Shapes Christmas Now

December 25, as we all know, is Jesus Christ’s birthday, a Christian celebration in which the myth of three kings who travelled far and wide to give gifts to the “new born king” inspires the modern Christian tradition of gift giving. Early gifts used to be fruits or nuts, but as this act took on more importance, gifts became larger and less modest, and were placed under a tree.

The Historical Evolution Of Christmas Decorations

The Historical Evolution Of Christmas Decorations

The idea of hanging up decorations in the middle of winter is older than Christmas itself. Decorations are mentioned in ancient descriptions of the Roman feast of Saturnalia, which is thought to have originated in the 5th century BC. Some 900 years later, a Christian bishop in Turkey wrote disapprovingly about members of his congregation who were drinking, feasting, dancing and “crowning their doors” with decorations in a pagan fashion at this time of year.