Why Do Onions Make Us Cry?
A whole onion does not start tears. The blade ruptures cells and mixes substances that had been kept in separate compartments. From that mix comes an...
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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 later known as James Marshall Hendrix,...
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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-and-white modules and rebuilds the data. I...
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65 years since Dag Hammarskjöld died during a peace mission in Africa
During the night of 17–18 September 1961, the aircraft carrying Dag Hammarskjöld towards Ndola crashed near its destination. The Swedish diplomat, the...
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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 pressure difference between the cabin and t...
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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 towards Earth. From more than 11 millio...
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Why Does Rain Have a Smell? The Science Behind the Scent of Wet Earth
The earthy smell after a summer shower seems to come from the water itself. The drop, however, has almost no aroma. What we recognise is a mixture of...
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66 years since the first Paralympic Games opened in Rome
On 18 September 1960 a competition now recognised as the first Paralympic Games opened in Rome. Around 400 athletes from 23 countries competed until 2...
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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 Act, signed that July, created the Depar...
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175 years since the first edition of The New York Times was published
On 18 September 1851 a four-page newspaper went on sale in New York for one cent under the name The New-York Daily Times. The founders, journalist and...
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Cleveland Guardians take AL Central lead after beating Chicago White Sox
The Cleveland Guardians moved into first place in the AL Central after a 6–3 win over the Chicago White Sox on 16 September 2026 at Progressive Field....
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Japan's biomass demand puts pressure on Indonesia's tropical forests
Rising Japanese demand for energy biomass is stimulating wood-pellet and wood-chip production in Indonesia, while environmental groups warn that expan...
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