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INSANE: 23 | Rare Historical Photos

Quantum physics protects videos from prying eyes and tampering

Today's encryption works well, until tomorrow's quantum computers arrive.

Space

How to talk to your friends about climate action

How often do you chat about climate change? When the weather’s been “a bit crazy”? Maybe with an estranged uncle over Christmas dinner? Recent polling reveals that over half of British adults rarely or never share their opinions about our warming planet.

The Conversation

By changing our diets now, we can avoid the food chaos that climate change is bringing

Climate change is pushing up the prices of the food that we buy and therefore changing what we eat. One-third of UK food price increases in 2023 resulted from climate change, according to research by agricultural economists. This extra cost contributed to food price inflation and the UK’s cost-of-living crisis.

The Conversation

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Earth's 'oldest' impact crater is much younger than previously thought, new study finds

Unravelling Earth’s 4.5-billion-year history with rocks is tricky business.

Space

Thousands of games have been censored from major platforms, with LGBTQIA+ creators caught in the crossfire

Online game marketplaces itch.io and Valve’s Steam have recently delisted or completely removed more than 20,000 titles from their storefronts, after not-for-profit group Collective Shout pressured payment processors to change their rules.

The Conversation

Our DNA analysis of 75,000-year-old bones in Arctic caves reveals how animals responded to changing climates

As the Arctic warms faster than anywhere else on Earth, animals that have evolved to survive the cold face unprecedented challenges. While scientists are learning more about how modern wildlife responds to environmental change, we still know little about how species coped in the past.

The Conversation

What the world can learn from Korea’s 15th-century rain gauge

Droughts and floods are becoming more frequent and more severe across the globe. The cause is often rain — either too little or too much. The monsoon regions of the world, where societies have weathered cycles of drought and deluge for thousands of years, hold essential lessons about rainwater monitoring…

The Conversation

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Storm Floris: the weather is rarely this windy in August – which makes it more dangerous

Storm Floris made landfall in northern parts of the UK on the morning of Monday August 4 2025, bringing intense rainfall followed by severe winds throughout the afternoon. The Met Office issued an amber weather warning for much of Scotland and yellow alerts for parts of Northern Ireland and northern…

The Conversation

Binary star systems are complex astronomical objects − a new AI approach could pin down their properties quickly

Measuring binary star systems' basic properties has proved exceedingly difficult.

Space

Economists want a carbon price comeback – but does Australia have the political courage?

Bold economic ideas are flowing ahead of this month’s roundtable convened by the Albanese government, aimed at boosting Australia’s productivity and economy, and repairing the budget. Among the biggest ideas to emerge is: should Australia resurrect its carbon price?

The Conversation

Spacecraft equipped with a solar sail could deliver earlier warnings of space weather threats to Earth’s technologies

Space weather imposes threats on everything from electrical grids to GPS navigation.

Space

‘Democratizing space’ is more than just adding new players – it comes with questions around sustainability and sovereignty

With more countries looking to explore space, there is a rising hope that space is now more accessible for diverse participants.

Space

Ghana has a rare treasure, a crater made when a meteor hit Earth: why it needs to be protected

The Bosumtwi impact crater in Ghana is well preserved, making it a hotspot for space research.

Space

New discovery at CERN could hint at why our universe is made up of matter and not antimatter

A new finding at CERN on the French-Swiss border brings us closer to answering why matter dominates over its opposite, antimatter.

Space

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The Conversation

Why the US is letting China win on energy innovation

During the cold war, the US and Soviet Union were locked in a desperate race to develop cutting‑edge technologies like long-range missiles and satellites. Fast forward to today and the frontiers of global technology have pivoted to AI and next‑generation energy.

The Conversation

Climate change: new method can more accurately attribute environmental harm to individual polluters

A small coastal community in Kivalina, Alaska sued several major oil and gas companies, including Exxon Mobil, in 2008. Local representatives argued that greenhouse gas emissions from these companies were contributing to the erosion of the coastline and causing irreversible damage to their village by heating the climate.

The Conversation

Will the latest diplomatic moves to end the war in Gaza work?

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.

The Conversation

Flames to floods: how Europe’s devastating wildfires are fuelling its next climate crisis

In recent years, I have all too often found myself passing over an active wildfire when flying from London to my family home in Greece during the summer months. The sky glows an eerie, apocalyptic red, and the scent of smoke fills the cabin. Silence falls as we become unwilling…

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Space

Sculptor galaxy image provides brilliant details that will help astronomers study how stars form

The Sculptor galaxy is a treasure trove of information that astronomers around the world cannot wait to pick apart.

The Conversation

Hormone-free male contraceptive pill passes first safety test

A potential new male contraceptive drug has just undergone its first tests in human volunteers. The results give the first indication that the drug, which does not use artificial hormones or affect testosterone production by the testes, may be safe in humans.

The Conversation

Starmer’s move on Palestinian statehood is clever politics

Keir Starmer has announced that the UK will recognise Palestinian statehood by September 2025 unless Israel meets certain conditions, marking a significant shift in UK policy.

The Conversation

Will UK’s 10% discount get more people buying electric cars? The evidence doesn’t look good

The UK government is offering a 10% taxpayer-funded discount on new plug-in cars that cost less than £37,000. It’s an attempt to re-energise the currently flatlining market for new electric vehicles (EVs) in the UK – but there are reasons for people’s reluctance that a price cut alone won’t solve.

The Conversation

‘Darkening’ cities is as important for wildlife as greening them

For billions of years, life has depended on Earth’s rhythm of day and night. DNA codifies body clocks in all animals and plants, which helps their cells act according to this cycle of light and dark.

The Conversation

Two of the best stop smoking medications have been available in the UK since 2024 – so why is no one using them?

In 2021, varenicline, the most effective single drug for quitting smoking, was withdrawn from the market in the UK because impurities were found at greater levels than is considered safe.

The Conversation

Why modern masculinity is a climate issue

What does masculinity have to do with the climate? A surprising amount.

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