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Chalkboard scraping. Scraping a chalkboard (also known as a blackboard) with one's fingernails produces a sound and feeling which most people find extremely irritating. The basis of the innate reaction to the sound has been studied in the field of psychoacoustics (the branch of psychology concerned with the perception of sound and its ...
Child pornography is illegal in most countries, but there is substantial variation in definitions, categories, penalties, and interpretations of laws. Differences include the definition of "child" under the laws, which can vary with the age of sexual consent; the definition of "child pornography" itself, for example on the basis of medium or degree of reality; and which actions are criminal (e ...
Shingles can resolve on its own, but treatment with antiviral medications can reduce the risk of complications and speed up your recovery. Without treatment, your shingles rash may be more severe ...
scaling. dryness. Everyone has microscopic yeast living on their skin, but people with tinea versicolor experience an overgrowth of the yeast. Tinea versicolor may occur due to caused by ...
Hot 100 chart achievements and milestones. The Billboard Hot 100 is a singles chart published by Billboard which measures the most popular singles in the United States. Prior to the creation of the Hot 100, Billboard published four singles charts: "Best Sellers in Stores", "Most Played by Jockeys", "Most Played in Jukeboxes" and "The Top 100".
A lack of vitamin C (scurvy) or vitamin K in your diet can also lead to petechiae. Reactions to certain medicines can cause these spots, too. Petechiae may be a side effect of drugs like ...
Website. blackboard.com. Blackboard Inc., now Anthology is an American educational technology company with corporate headquarters in Boca Raton, Florida. Blackboard was known for Blackboard Learn, a learning management system. [4] Blackboard Inc. merged with Anthology in late 2021. [5]
Four artists tie for having the most songs (including features) in the top 100; The Weeknd, English and Albanian singer Dua Lipa, American singer and rapper Post Malone, and American musician Bruno Mars each have five. The newest song in the top 100 is "Flowers" by Miley Cyrus (2023), while the oldest song is Queen's "Bohemian Rhapsody" (1975).