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FORGOTTEN HISTORY: 20 | History Defined

Sun dogs, rainbows and glories are celestial wonders – and they may appear in alien skies too

These celestial wonders can tell us a lot about the state of the atmosphere at home on Earth as well as on other planets.

Space

The digital movement that is enabling Indigenous people to show for themselves how the Amazon region is changing

Deep in the Amazon, sound designer Eric Terena has been capturing the sounds of the rainforest while sitting silently beneath the dense, towering treetops with his recording equipment. He has noticed some huge changes.

The Conversation

Introducing War on Climate, a new series that explores how conflict interacts with environmental issues around the globe

The world is the most violent it has been in decades. A report by the Peace Research Institute Oslo recorded 61 conflicts across 36 countries last year – the highest level since 1946. Given the number of conflicts currently active worldwide, this figure could well be taken to new heights…

The Conversation

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Want more protein for less money? Don’t be fooled by the slick black packaging

If you’ve been supermarket shopping lately, you might have noticed more foods with big, bold protein claims on black packaging – from powders and bars to yoghurt, bread and even coffee.

The Conversation

Blue, green, brown, or something in between – the science of eye colour explained

You’re introduced to someone and your attention catches on their eyes. They might be a rich, earthy brown, a pale blue, or the rare green that shifts with every flicker of light. Eyes have a way of holding us, of sparking recognition or curiosity before a single word is spoken.…

The Conversation

Poland responds to Russian drones incursion by invoking Article 4 of the NATO treaty − what happens next?

NATO fighter jets shot down multiple Russian drones in Polish airspace on Sept. 10, 2025, sparking fears of an expanding Russia-Ukraine war.

The Conversation

Curious Kids: why do we need to do homework?

Why do we need to do homework when we already spend all day in school? – Grace, aged nine, Belfast

The Conversation

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Doctors are joining unions in a bid to improve working conditions and raise wages in a stressful health care system

The share of doctors who belong to unions is rising quickly at a time when organized labor is losing ground with other professions. The Conversation U.S. asked Patrick Aguilar, a Washington University in St. Louis pulmonologist and management professor, to explain why the number of physicians joining unions is growing…

The Conversation

Politicians love comparing NZ’s economy to Singapore or Ireland – but it’s simplistic and misleading

Unveiling Amazon Web Services’ long-awaited NZ$7.5 billion “cloud region” – a cluster of local data centres – Prime Minister Christopher Luxon specifically referenced Ireland and Singapore as “two economies we often look to for inspiration on investment and technology”.

The Conversation

Middle East leaders condemn Israel’s attack on Qatar as Netanyahu ends all talk of Gaza ceasefire – expert Q&A

Israel launched an unprecedented airstrike on the Qatari capital of Doha on September 9, the first time it has directly attacked a Gulf state. The “precision strike”, as Israel has called it, targeted a building in which Hamas officials were reportedly discussing a peace proposal brokered by the US.

The Conversation

As pine martens are reintroduced to south-west England, a new study shows why local people need to be involved

Fifteen pine martens were relocated from Scotland to Dartmoor, Devon, late last year in the first phase of a reintroduction to south-west England. This autumn, more of these domestic cat-sized mammals will be released into Exmoor as part of a long-term recovery strategy to restore pine marten populations.

The Conversation

How our minds trick us into thinking we are being greener than we really are

You’re in the supermarket. Imported beef mince, shrink-wrapped vegetables and cleaning spray are already in your basket. Then you toss in some organic apples and feel a flicker of moral relief. Surely that small green gesture lightens the load?

The Conversation

Black wattle as firewood: how South African communities are putting invasive species to work

Australia’s black wattle tree (Acacia mearnsii) has spread across South Africa, taking over millions of hectares of land and pushing indigenous plants aside. Economist Saul Ngarava researches agriculture and the connection between water, energy, food, social justice and land reform. He was part of a team who surveyed 1,184 homes…

The Conversation

Why building nature-centric housing involves a mindset shift

How do you build 1.5 million new homes in five years without destroying nature? Housing is unaffordable for most people, so the UK government plans to build as many homes as possible, as soon as possible. Assuming this brings house prices down (which isn’t a given), how can it be…

The Conversation

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Space

The first stars may not have been as uniformly massive as astronomers thought

Chemistry in the first 50 million to 100 million years after the Big Bang may have been more active than we expected.

Space

Earth-size stars and alien oceans – an astronomer explains the case for life around white dwarfs

Could an ocean – likely needed to sustain life – even survive on a planet orbiting close to a dead star?

The Conversation

Plans to ‘maximise extraction’ of North Sea oil and gas would soon run into geological limits

“We are going to get all our oil and gas out of the North Sea”, Conservative Party leader Kemi Badenoch said recently. Her promise to “maximise extraction” sets up a clash between political ambitions, economic reality and geological limits.

The Conversation

Xi Jinping showcases his dream of a China-led ‘new world order’

This article was first published in The Conversation UK’s World Affairs Briefing email newsletter. Sign up to receive weekly analysis of the latest developments in international relations, direct to your inbox.

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The Conversation

When record heat feels strangely normal

Summer 2025 was the UK’s hottest on record, the Met Office announced this week. The news somehow felt both inevitable and surprising. There may have been four separate heatwaves, but for many this summer felt pretty normal.

The Conversation

Mónica’s story: the woman shipped from Ghana to Portugal in 1556 to stand trial for using traditional medicine

Standing before the Inquisition in Lisbon, Portugal in 1556, Mónica Fernandes, a woman from the coast of modern-day Ghana, was accused of casting malevolent spells and making pacts with demons. Her crime? Seeking a traditional Akan remedy for a simple cat bite.

The Conversation

Australian writers shocked and ‘disgusted’ by closure of 85-year-old literary journal Meanjin

After 85 years of continuous publication, Meanjin, Australia’s second-oldest literary journal, is closing. Editor Esther Anatolitis and deputy editor Eli McLean have been made redundant and the final issue will appear in December. Melbourne University Publishing (MUP), which has housed the magazine since 2007, has cited “purely financial grounds” for…

Space

Water recycling is paramount for space stations and long-duration missions − an environmental engineer explains how the ISS does it

Today, NASA recovers over 90% of the water used in space.

Space

NASA wants to put a nuclear reactor on the moon by 2030 – choosing where is tricky

NASA plans to prioritize the fission reactor as power necessary to extract and refine lunar resources.

Space

Inside the search for sustainable aviation fuels, which are on the federal chopping block

The Trump administration's "One Big, Beautiful Bill" slashes federal funding for efforts to create renewable or sustainable types of fuel for aircraft.

Space

56 million years ago, Earth underwent rapid global warming. Here’s what it did to pollinators

Can we turn to the past to learn more about how interactions between plants and pollinators changed during climate change?

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