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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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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99 years since the radio network that became CBS first went on air
18 September 2026 marks 99 years since the first broadcast of the Columbia Phonographic Broadcasting System, t...
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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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EU Finance Ministers Discuss Taxing Windfall Energy Profits
EU finance ministers put a tax on energy companies’ windfall profits on the Dublin table on 18 September. The...
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Why Does a Microwave Oven Door Have a Metal Mesh?
A microwave door looks like glass, but behind it sits a mesh with thousands of holes. You need to see the food...
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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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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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Why Do Cats Purr—and Why It Does Not Always Mean Happiness
The sofa purr is often, correctly, read as contentment. Cats also purr when frightened, hurt, ill or asking fo...
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79 years since the United States Air Force became an independent service
On 18 September 1947, US military aviation ceased to be an internal branch of the Army. The National Security...
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China accelerates advanced manufacturing and investment in AI-powered factories
President Xi Jinping has called for China’s advanced-manufacturing sector to become “bigger and stronger”, wit...
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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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UCI Worlds in Montréal: Under-23 time trials scheduled for 21 September
The UCI Road World Championships in Montréal continue on Monday, 21 September 2026 with the Under-23 individua...
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World Alzheimer’s Day 2026: why early diagnosis and family support matter
World Alzheimer’s Day is observed on 21 September, during World Alzheimer’s Month in September. Alzheimer’s Di...
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167 years since Joshua Norton proclaimed himself “Emperor of the United States”
17 September 2026 marks 167 years since Joshua Abraham Norton published the proclamation declaring himself “No...
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87 years since Taisto Mäki ran the first sub-30-minute 10,000 metres
17 September 2026 marks 87 years since Finland’s Taisto Mäki became the first athlete to complete 10,000 metre...
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847 years since the death of Hildegard of Bingen, one of the great voices of the Middle Ages
17 September 2026 marks 847 years since the death of Hildegard of Bingen, one of the most extensively document...
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Men Elite time trial opens the world-title contest in Montréal
The Men Elite individual time trial is also scheduled for Sunday, 20 September, on the opening day of the UCI...
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UCI Worlds in Montréal open with the Women Elite individual time trial
The UCI Road World Championships begin in Montréal on Sunday, 20 September, with the Women Elite individual ti...
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72 years since William Golding’s Lord of the Flies was published
17 September 2026 marks 72 years since Faber and Faber published Lord of the Flies in the United Kingdom. It w...
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World Cleanup Day 2026 mobilises communities worldwide against waste
World Cleanup Day is observed on 20 September, a date proclaimed by the United Nations General Assembly in res...
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May Mobility seeks a Nasdaq listing through a $1.4 billion SPAC transaction
Ann Arbor-based May Mobility announced on 16 September a merger agreement with ACP Holdings Acquisition, a Nas...
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FinCon 2026 concludes three days focused on creators and digital businesses in Palm Springs
FinCon 2026 closes on Friday 18 September after three days in Palm Springs. The official site lists the dates...
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239 years since the signing of the United States Constitution in Philadelphia on 17 September 1787
17 September 2026 marks 239 years since the signing of the United States Constitution. In the summer of 1787,...
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York begins ten days devoted to food as its Food & Drink Festival opens on 18 September
York Food & Drink Festival begins on Friday, 18 September and continues through 27 September, bringing ten day...
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V&A stays open until 22:00 on Friday for Friday Late: Awakenings
London’s Victoria and Albert Museum hosts Friday Late: “Awakenings” on Friday, 18 September at V&A South Kensi...
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Vieste, the Italian tourist town where holiday rentals are putting pressure on residents’ housing
Vieste, a tourist destination on the Puglia coast, illustrates a tension increasingly familiar in visitor-depe...
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DigiMarCon Europe moves its Amsterdam conference to 18 September at Holiday Inn Arena Towers
DigiMarCon Europe 2026 organisers have posted an official last-minute change to both the venue and format of t...
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Chronosphere debuts in Portugal’s forests with three days of electronic music in Góis
The forests of Góis, in Portugal’s Coimbra district, host the first Chronosphere from 18 to 20 September 2026,...
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WHO: 1.9 million people live with dementia in Africa as annual cost reaches an estimated $15.6 billion
About 1.9 million people are living with dementia in the World Health Organization’s African Region, and the a...
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Nearly 1.4 million butterflies and moths counted in Britain, but bumper summer may hide a risk for 2027
Britain’s hot, sunny summer of 2026 put plenty of butterflies in gardens, and the Big Butterfly Count recorded...
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