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HISTORICAL FACTS: 29 | History Defined

What ancient ice sheets can tell us about future sea level rise

When visiting Godrevy beach on the north Cornish coast, most people look out to sea at the lighthouse, surfers and seals rather than the cliffs behind. But these cliffs hold a history of past climate and sea level that is incredibly valuable to scientists like me who are trying to…

The Conversation

Space law doesn't protect historical sites, mining operations and bases on the moon – a space lawyer describes a framework that could

The moon is a key step in the journey of space exploration, but making it habitable brings up lots of questions around space law and policy

Space

A pink diamond just sold for over US$ 14 million – no wonder, when you look at the mysteries behind their chemistry

Diamonds might be forever but that doesn’t stop them being bought and sold. One stone thought to have once belonged to Marie Antoinette, the last queen of France, has just sold for US$14 million (£10 million) at an auction in New York – about three times the asking price. Set…

The Conversation

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How might Israel attack Iran’s underground nuclear plant? A 2024 raid in Syria could be a template

Operation rising lion has been a concerted effort by the Israel Defense Forces to degrade Iran’s nuclear programme. Launched on June 13, the operation has targeted key nuclear installations, logistical hubs and Iranian nuclear scientists, key intelligence and military personal.

The Conversation

Is Mars really red? A physicist explains the planet’s reddish hue and why it looks different to some telescopes

For centuries Mars has been called "the Red Planet" and there's a scientific reason why.

Space

The great coral reef relocation

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Israel’s conflict with Iran escalates as Trump considers US involvement

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Israel’s attacks have exposed weaknesses in Iran, but it’s in little danger of collapsing

The Israeli prime minister, Benjamin Netanyahu, has said that his country’s campaign in Iran “could certainly” lead to regime change. In an interview with Fox News on June 15, he called the government in Tehran “very weak” and added that, given the opportunity, “80% of the [Iranian] people would throw…

The Conversation

What UK involvement in Iran could look like – and the political questions it raises

At the time of writing, US President Donald Trump is deliberating over whether to join Israel’s air campaign to destroy Iran’s suspected nuclear weapons programme. This is already a contentious issue within Washington DC and the Trump administration. But if the president decides to take the US into a war…

The Conversation

New start date for the Anthropocene proposed – when humans first changed global methane levels

Humans have been reshaping the environment for at least 10,000 years. But the Anthropocene is the name given to the specific period of Earth history during which humans have had a global effect on the planet’s climate and ecosystems. Despite formal rejection as a geological epoch, it’s widely understood within…

The Conversation

Companies are betting on AI to help lift productivity. Workers need to be part of the process

Australia’s productivity is flatlining, posting the worst vitals we’ve seen in 60 years.

The Conversation

Trump breaks from western allies at G7 summit as US weighs joining Iran strikes

Working alongside western democratic allies has not been a natural fit for Donald Trump. The US president left the recently concluded G7 summit in Canada early, with his French counterpart Emmanuel Macron assuming this was to work on addressing the most severe escalation between Iran and Israel in decades.

The Conversation

The UK’s warm homes plan has been saved – here’s how Labour can learn from a decade of failed insulation schemes

The UK government confirmed in its June 2025 spending review that it will honour its manifesto pledge and not cut the £13.2 billion warm homes plan, as had been speculated. The money will be spent over the next four years, marking a significant increase on funding for energy-related home upgrades…

The Conversation

Smartphones are once again setting the agenda for justice as the Latino community documents ICE actions

It has been five years since May 25, 2020, when George Floyd gasped for air beneath the knee of a Minneapolis police officer at the corner of 38th Street and Chicago Avenue. Five years since 17-year-old Darnella Frazier stood outside Cup Foods, raised her phone and bore witness to nine…

The Conversation

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China positions itself as a stable economic partner and alternative to ‘unpredictable’ Trump

After the second world war, the US and its western allies created a set of international agreements and institutions to govern attitudes to mutual defence, economics and human rights. For decades this created stable alliances and predictable economic plans.

The Conversation

Would a corporate tax cut boost productivity in Australia? So far, the evidence is unclear

The first term of the Albanese government was defined by its fight against inflation, but the second looks like it will be defined by a need to kick start Australia’s sluggish productivity growth.

The Conversation

Coal power plants were paid to close. Is it time to do the same for slaughterhouses?

The food industry will go to great lengths (and spend a fortune) to lobby policymakers, confuse the public and politicise scientific findings. You can see the results in the UK’s delay of a ban on junk food advertisers targeting children, or the orchestrated backlash to a report that recommended cutting…

The Conversation

Declining soil health is a global concern – here’s how AI could help

One-third of the Earth’s land surface is already degraded. The UN estimates that more than 2.6 billion people are harmed by land degradation, with countries losing up to US$10.6 trillion (£7.8 trillion) a year because of damage to “ecosystem services”, including the benefits people get from nature such as water…

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The Conversation

Israel’s air strength is giving it a free hand over Iran

Israel’s initial attack on Iranian nuclear and military facilities, alongside its assassination of top military officials and nuclear scientists, on June 13 has been followed by days of escalating strikes. Iran threatened “severe punishment” and quickly launched what were, in relative terms, smaller-scale missile attacks against Israeli territory.

The Conversation

Israeli aggression and Iranian nuclear brinkmanship made this confrontation all but inevitable

In the early hours of June 13, Israel launched its largest-ever attack on Iran. Airstrikes involving more than 200 aircraft targeted nuclear and missile facilities, as well as key figures in the Iranian military and nuclear programme leadership. The attack, codenamed “Operation Rising Lion”, appears to have been supported on…

The Conversation

A radical proposal to abolish state government and strengthen American democracy

Get rid of states? Legal scholar Stephen Legomsky, who taught for 34 years at the Washington University in St. Louis School of Law, has just published a book, “Reimagining the American Union,” that proposes a radical idea: Abolish state government. The Conversation’s politics and democracy editor, Naomi Schalit – a…

The Conversation

AI is gobbling up water it cannot replace – I’m working on a solution

Data centres are the invisible engines of our digital world. Every Google search, Netflix stream, cloud-stored photo or ChatGPT response passes through banks of high-powered computers housed in giant facilities scattered across the globe.

The Conversation

Israel, Iran and the US: why 2025 is a turning point for the international order

Israel’s large-scale attack against Iran on June 13, which it conducted without UN security council approval, has prompted retaliation from Tehran. Both sides have traded strikes over the past few days, with over 200 Iranians and 14 Israelis killed so far.

The Conversation

A flesh-eating fly is spreading north to the US. It could devastate livestock farming if not controlled

A flesh-eating parasitic fly is invading North and Central America. The consequences could be severe for the cattle industry, but this parasite is not picky – it will infest a wide range of hosts, including humans and their pets.

The Conversation

Frozen, thawed: how Arendelle’s glacier would fare under modern climate change

As a glaciologist who thinks about ice a lot, rewatching the movie Frozen umpteen times with my six-year-old daughter provides ample opportunity for my imagination to run wild. The movie is set in the fictional kingdom of Arendelle, which is modelled on a fjord landscape, complete with a large glacier…

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