26De Havilland-Fontaine Oscar Feud
The only siblings to both secure lead acting Oscars are Olivia de Havilland and Joan Fontaine, whose nearly 70-year-long estrangement stemmed from a well-known feud, enduring until Joan's passing in 2013.
27. A 1999 study led by developmental psychologist Dr. Kramer and her team documented episodes of sibling conflict, revealing an average frequency of one conflict every 20 minutes spent together.
28. Sibling Roman Emperors Caracalla and Geta harbored such intense animosity toward each other that they divided the imperial palace into two halves, akin to a contrived sitcom plot.
29. Lactose intolerance serves as a mechanism in mammals to encourage older siblings to cease nursing once younger siblings arrive, facilitating the transition.
30. Secret languages developed by twin siblings are termed cryptophasia. Twins experiencing a delay in phonological development are more prone to developing cryptophasia.
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31Incorrect Name Use Explanation
When parents inadvertently address their children using incorrect names or the names of their siblings, it is not indicative of memory decline or aging. Rather, it reflects how the brain categorizes names.
32. After Nietzsche's death, his sister Elisabeth curated and edited his manuscripts, reworking Nietzsche's unpublished writings to fit her own German nationalist ideology while often contradicting or distorting his stated opinions, which were explicitly opposed to antisemitism and nationalism.
33. Following the implementation of the one-child policy in China, reported twin births surged twofold as parents resorted to fertility treatments and occasionally misrepresented regular siblings as twins.
34. One survey has found that the youngest siblings are a parent's favorites.
35. In a remarkable twist of fate in 1980, Robert Shafran discovered he had a twin brother, Edward Galland, when a fellow student, Michael Domnitz, recognized their uncanny resemblance. This chance encounter set off a chain of events that garnered media attention, ultimately leading to the revelation that they were actually triplets. They soon found their third brother, David Kellman, revealing they had been separated at birth for a secretive psychological study.
36Twins Marry Unknowingly
In a startling turn of events, a pair of British twins, raised apart by different adoptive families, fell in love and married, only to later discover that they were biological siblings.
37. The saga of the Collyer brothers, Homer and Langley, saw their residence filled with an astonishing 100 tons of random objects. Langley, in a bid to protect his reclusive brother, constructed a maze of tunnels equipped with lethal traps. Tragically, Langley perished in one of his own traps, leaving Homer to succumb to starvation.
38. In a daring scheme that unfolded in Russia in 2002, two brothers from a set of triplets, Roman and Ruslan, executed a plan to fool prison authorities. Roman, one of the brothers, swapped places with Ruslan while incarcerated, granting him a fleeting taste of freedom. However, Ruslan seized the opportunity to evade capture and absconded with his brother's girlfriend, leading to a prolonged pursuit by authorities who only realized the deception years later.
39. Anne Frank's older sister, Margot, also kept a diary, but no trace of it has ever been found.
40. Troubled sibling relationships have been linked to the onset of major depression and drug use in adulthood, irrespective of family history. Surprisingly, factors such as the quality of parenting, early parental death, birth order, and family size showed no significant association with adult depression.