Why Do Popcorn Kernels Pop?
Not every maize variety turns into popcorn. Popping corn, Zea mays everta, has a hard, nearly airtight pericar...
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OMV Continues Austrian Green Hydrogen Project Alone After Masdar Exit
OMV will take its Austrian green-hydrogen project forward alone after Masdar, of Abu Dhabi, unexpectedly left...
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Why Does Honey Crystallize—and What Does It Mean?
Clear honey can turn cloudy or almost solid. The change is often taken as spoilage or proof the product is fak...
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Sweden’s Prime Minister Resigns After Narrow Centre-Left Election Victory
Ulf Kristersson asked on Thursday, 17 September, to be relieved as prime minister after the Swedish parliament...
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NATS Identifies Software Defect as Cause of UK Air Traffic Control Outage
NATS, the UK’s air-traffic-control operator, said on Friday that last week’s outage was a software defect in p...
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Ronaldo Nazário turns 50: the career of the striker known as “The Phenomenon”
On 18 September 2026, Ronaldo Luís Nazário de Lima, the Brazilian striker known as Ronaldo or “O Fenômeno”, tu...
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How Do Active Noise-Canceling Headphones Work?
Active noise-cancelling headphones do not rely on padding alone. Microphones measure the noise, a processor ca...
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65 years since the birth of James Gandolfini, the actor who played Tony Soprano
18 September 2026 marks 65 years since the birth of American actor James Joseph Gandolfini Jr., best known for...
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How Does a Lightning Rod Protect a Building?
A lightning rod does not repel a strike and does not “lure” lightning like bait. It is an interception point:...
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UK Government Announces Neonatal Safety Measures After Thirlwall Inquiry Report
The British government has announced first steps after Lady Justice Thirlwall’s final inquiry report on the Co...
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Why Do Bananas Turn Brown—and How Can the Process Be Slowed?
The banana is a climacteric fruit: it keeps ripening after harvest. Respiration rises for a time, and ethylene...
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US Approves Visas for Iranian Leaders Ahead of UN Meeting, With Tight Restrictions
The State Department has approved visas for a limited Iranian delegation to the high-level segment of the Gene...
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Why Do Our Fingers Wrinkle in Water?
After a few minutes in water, fingers develop regular grooves, not chaotic swelling. Water uptake in the outer...
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131 years since Booker T. Washington’s Atlanta Exposition address
18 September 2026 marks 131 years since Booker T. Washington spoke at the Cotton States and International Expo...
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156 years since the Old Faithful geyser received its name
18 September 2026 marks 156 years since members of the Washburn–Langford–Doane expedition named Old Faithful,...
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Why Is the Sky Blue While Sunsets Turn Red?
Sunlight looks white, but it is a mix of wavelengths. Passing through the atmosphere, it interacts with nitrog...
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EU Announces €3.3 Billion Payment to Support Ukraine’s Defence
The European Commission is to transfer €3.3 billion to Ukraine on Friday, 18 September, for the procurement of...
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Why Do We Get Goosebumps?
A cold draft, a tense scene or a musical chord can raise the same bumps on the skin. The phenomenon is piloere...
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Why Is the Ocean Salty?
River water usually tastes almost neutral; seawater is salty. Not because rivers carry no salts, but because t...
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233 years since the cornerstone of the United States Capitol was laid
18 September 2026 marks 233 years since the cornerstone ceremony for the United States Capitol, the building i...
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56 years since the death of Jimi Hendrix, the guitarist who reshaped rock sound
Jimi Hendrix died in London on 18 September 1970, aged 27. Born in Seattle in 1942 as Johnny Allen Hendrix and...
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How QR Codes Work—and Why They Can Still Scan When Damaged
A QR code is not a random mosaic. The phone identifies the structure, corrects perspective, reads the black-an...
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Why Are Airplane Windows Rounded?
Airliner windows are small and rounded, even though a rectangle would give a wider view. The reason is the pre...
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49 years since Voyager 1 captured Earth and the Moon in the same frame
On 18 September 1977, two weeks after its 5 September launch, NASA’s Voyager 1 pointed its imaging system back...
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82 years since the birth of Reinhold Messner, pioneer of climbing without supplementary oxygen
17 September 2026 marks 82 years since the birth of Reinhold Messner in Brixen/Bressanone, South Tyrol. Encycl...
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Latin America accounted for 85% of environmental-defender killings in 2025
At least 124 people defending land, forests, water and communities were killed in 2025, according to Global Wi...
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69 years since the Federation of Malaya was admitted to the United Nations
17 September 2026 marks 69 years since the Federation of Malaya was admitted to the United Nations. The UN’s o...
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Dollar reaches seven-week high after Federal Reserve signals
The US dollar reached, on 17 September 2026, its highest level in seven weeks after the Federal Reserve raised...
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78 years since the assassination of Folke Bernadotte, the United Nations’ first mediator
17 September 2026 marks 78 years since the assassination of Count Folke Bernadotte, the United Nations mediato...
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Climate change made deadly Nepal glacier collapse more likely, analysis finds
Human-caused climate change probably contributed to the conditions behind the ice and rock collapse on 26 Augu...
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97 years since the birth of Stirling Moss, Formula One’s “uncrowned champion”
17 September 2026 marks 97 years since the birth of Stirling Moss in London. The International Motorsports Hal...
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New MRI contrast agent detects one-millimetre lung tumours in animal studies
An experimental MRI contrast agent has identified lung tumours and metastases on the order of one millimetre i...
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