A person sneezing in bright sunlight.
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Why Does Sunshine Make Me Sneeze?

Stepping out into bright sunlight after being in the dark can trigger a sneeze for some people. This phenomenon, known as the photic sneeze reflex, affects an estimated 10 to…
alt text: Close up of fingernails with obvious vertical ridges
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Why Do I Have Lines in My Fingernails?

Vertical or horizontal lines on your fingernails, also known as ridges, are a common occurrence. While often harmless, particularly with age, these lines can sometimes indicate underlying health issues. Understanding…
A map showing the division of the world according to the Treaty of Tordesillas.
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Why Do Brazilians Speak Portuguese?

The vast majority of South America speaks Spanish. So, why do Brazilians speak Portuguese? As the only South American nation with Portuguese as its official language, Brazil stands out. The…
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Why is lb the Abbreviation for Pound?

The abbreviation "lb" for pound often seems illogical. Why not "pd" or "po"? The answer lies in a fascinating journey back to ancient Rome and the language they used for…
Alt text: The Titanic leaving Queenstown, Ireland, April 11, 1912, one of the last known photographs of the liner before it sank.
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Why Did the Titanic Sink?

Alt text: The Titanic leaving Queenstown, Ireland, April 11, 1912, one of the last known photographs of the liner before it sank. The sinking of the RMS Titanic in April…