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The Latest Breaking News from The Conversation

How dramatic daily swings in oxygen shaped early animal life – new study

Imagine a world where the oxygen you need changes dramatically between day and night. Your world shifts from being rich in oxygen (oxic) in the day, so you have energy to hunt for food, to suffocatingly oxygen-free (anoxic) at night, which slows you down.

The Conversation

Cuts to research into inequality, disparities and other DEIA topics harm science

When I taught research methods to undergraduates, I would start by asking whether anyone in the class had $20. Though harder to come by thanks to digital payment options, inevitably someone would produce a $20 bill. I would then ask whether they knew how the bill came to look the…

The Conversation

Thousands of satellites are due to burn up in the atmosphere every year – damaging the ozone layer and changing the climate

The world’s first artificial satellite, the Soviet Union’s Sputnik 1, was launched in October 1957. Just three months later, it fell out of orbit. As Sputnik hit the upper atmosphere at incredible speed, the friction would have caused it to heat up and almost entirely burn off. Some small remnants…

The Conversation

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Starmer’s plan to ‘build baby build’ risks more American-style car-dominated sprawl

The UK’s Labour government has promised to “take an axe to red tape” through “bold reforms to the planning system”. It hopes to kickstart economic growth by generating the “biggest building boom in a generation”.

The Conversation

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Want to stay informed with expert analysis and evidence-based news without the hassle of searching for us every time? Adding The Conversation to your phone’s home screen is a quick and easy way to get instant access to the latest stories.

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Earth’s lungs are choking on plastic and smoke – scientists hope to unblock them

A graph I saw in high school appeared to show the Earth breathing.

The Conversation

Are mental health conditions overdiagnosed in the UK? Two experts go head to head

Speaking on BBC One’s Sunday With Laura Kuenssberg, Wes Streeting, the UK health secretary, expressed concerns that some mental health conditions were overdiagnosed. The Conversation asked two experts to comment on Streeting’s claim. Is the health secretary right?

The Conversation

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Microplastics: are they poisoning crops and jeopardising food production?

Microplastics are hindering photosynthesis, the process by which plants convert energy from the sun into the fruit and vegetables we eat. This threatens massive losses in crop and seafood production over the coming decades that could mean food shortages for hundreds of millions of people.

The Conversation

Only 15 countries have met the latest Paris agreement deadline. Is any nation serious about tackling climate change?

The latest deadline for countries to submit plans for slashing the greenhouse gas emissions fuelling climate change has passed. Only 15 countries met it – less than 8% of the 194 parties currently signed up to the Paris agreement, which obliges countries to submit new proposals for eliminating emissions every…

The Conversation

Plans to link electricity bills to where you live are unlikely to bring down prices – and that’s a big problem for net zero

A proposed reform to the way electricity is priced in Britain could see households pay a different bill based on their postcode.

The Conversation

The Living Mountain: why a second world war meditation on nature’s fragility and wonder is still relevant today

Nan Shepherd’s The Living Mountain is not a book about conquering peaks or mapping uncharted terrain. It is instead a deeply felt, poetic encounter with the Cairngorms.

The Conversation

Fewer deaths, new substances and evolving treatments in Philly’s opioid epidemic − 4 essential reads

In Philadelphia, fatal overdoses are the No. 3 cause of death after heart disease and cancer. That’s been the case each year since 2016, except in 2020 and 2021 when COVID-19 deaths outpaced overdose deaths. The vast majority of fatal overdoses in Philly involve the synthetic opioid fentanyl.

The Conversation

Chewing gum is plastic pollution, not a litter problem

Thousands of tonnes of plastic pollution could be escaping into the environment every year … from our mouths. Most chewing gum on sale is made from a variety of oil-based synthetic rubbers – similar to the plastic material used in car tyres.

The Conversation

A letter from Kim Honey, The Conversation Canada’s new editor-in-chief and CEO

It is my privilege to join The Conversation Canada as CEO and editor-in-chief at a time when the world needs fact-based journalism more than ever.

The Conversation

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The Conversation

Greenland’s fossil fuel ban is up in the air after recent election

US president Donald Trump thrust Greenland to the centre of global politics when he proposed to buy the vast, icebound island at the start of the year. With the world watching, Greenlandic voters went to the polls on March 11 2025 and delivered a landslide victory for a party that…

The Conversation

Beavers can help us adapt to climate change – here’s how

Beavers, those iron-toothed rodents with a talent for hydraulic engineering, can legally return to English river catchments after an absence of 500 years.

The Conversation

Electric cars were once marketed as ‘women’s cars’. Did this hold back their development over the next century?

It was not a given that petrol-powered cars would come to dominate the world. In fact, back in 1900, just 22% of cars produced in the US were powered by gasoline (also known as petrol, benzine or various other names). The rest split between electric and steam cars.

The Conversation

A lunar eclipse is on tomorrow – NZ and parts of Australia are in for a spectacle

As the full moon rises tomorrow (Friday March 14), it will be a special sight for those in Aotearoa New Zealand. It will also be worth a look for people along the east coast of Australia.

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The Conversation

Is the US heading for a government shutdown? 5 essential reads to occupy the mind while we wait to find out

Brinkmanship, a political scramble to keep the lights on in Washington and finger-pointing over who is to the blame – we’ve been here before, right?

The Conversation

How AI is making affordable air pollution sensors more accurate

Clean air is a fundamental right. However, every day, 100 children under the age of five tragically lose their lives in east Asia and the Pacific due to a silent killer – air pollution.

Space

Life on Mars? It probably looks like something you'd find in your stomach

Organisms known as extremophiles have been found inhabiting a range of extreme conditions on Earth, including inside our bodies. Could they be on Mars, too?

The Conversation

Toad patrol volunteers are ensuring frisky amphibians can cross the road to reach their mating grounds

During February and March, volunteers head out after dark with buckets and florescent jackets to stand on roads across the UK. These are the toad patrols, and they help an amphibian with love on its mind.

The Conversation

Beloved beaches were washed offshore by Cyclone Alfred – but most of this sand will return

For many people, the most visible impact of Cyclone Alfred was the damage big waves and storm surge did to their local beaches.

The Conversation

Parasites are ecological dark matter – and they need protecting

The two species of African rhinoceros are conservation icons. Large, charismatic, and vitally important for their ecosystems, to lose either species would be a devastating blow.

The Conversation

Women always suffer in times of conflict. Yet the arms industry is accused of gender washing war

International Women’s Day, marked each year on March 8, is all about celebrating women and furthering efforts towards gender equality. Companies are keen to join these conversations and shout about their achievements on a day when minds are focused on female empowerment. But this has led to accusations of hypocrisy.

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