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Friday, 23 July 2021

Thursday, 22 July 2021

Hurricane Emily (1993)

  July 22, 2021      No comments   Edit
Hurricane Emily (1993).
Hurricane Emily was the strongest storm of the 1993 Atlantic hurricane season, and caused record flooding in the Outer Banks of North Carolina. The fifth named storm of the season, Emily became a tropical storm on August 25, after becoming nearly stationary southeast of Bermuda. On August 31, the hurricane reached peak winds of 115 mph (185 km/h) on its approach to North Carolina. Part of the eye passed over Hatteras Island in the Outer Banks, but its absolute center remained 23 mi (37 km) offshore. Emily's strong winds coincided with high tides during a full moon, causing severe flooding along the Pamlico Sound. The villages of Avon and Hatteras were inundated, and in Buxton, the floods left behind water marks as high as 10.54 ft (3.21 m). The storm wrecked 553 homes, leaving a quarter of the Cape Hatteras population homeless. Off the coasts of North Carolina and Virginia, three swimmers drowned.

Wednesday, 21 July 2021

Dementia with Lewy bodies

  July 21, 2021      No comments   Edit
Dementia with Lewy bodies.
Dementia with Lewy bodies is a common dementia characterized by changes in sleep, behavior, cognition, movement, and automatic bodily functions. Symptoms worsen over time until cognitive decline interferes with normal daily functioning. The core features are REM sleep behavior disorder (in which people act out their dreams), visual hallucinations, marked fluctuations in attention or alertness, and parkinsonism. The exact cause is unknown, but involves deposits of abnormal clumps of protein in the brain, known as Lewy bodies. Gastrointestinal and heart function can be affected. Definitive diagnosis usually requires an autopsy, and a probable diagnosis—based on symptoms and tests—is often missed. Management of the many symptoms is challenging and involves multiple specialties. There is no cure or medication to stop the disease progression. After the suicide of Robin Williams (pictured) in 2014, his autopsy found that diffuse Lewy bodies explained his symptoms.

Tuesday, 20 July 2021

Apollo 11 50th Anniversary commemorative coins

  July 20, 2021      No comments   Edit
Apollo 11 50th Anniversary commemorative coins.
The Apollo 11 50th Anniversary commemorative coins were issued by the United States Mint in 2019 to mark the 50th anniversary of the first crewed landing on the Moon on July 20, 1969, by Apollo 11 astronauts Neil Armstrong and Buzz Aldrin. There is a gold half eagle (five-dollar coin), two sizes of silver dollars, and a copper-nickel clad half dollar, all with the same design and curved, with the obverse concave and the reverse convex. The obverse shows a bootprint on the lunar surface, and the reverse (pictured), based on a well-known photo by Armstrong, depicts the visor of Aldrin's space suit, reflecting Armstrong, the U.S. flag and the Lunar Module Eagle. The depiction of Aldrin made him the seventh individual depicted on a U.S. coin to be alive at the time it was struck. The program was the most successful U.S. commemorative coin issue since the 2014 National Baseball Hall of Fame coins, with more than 600,000 Apollo 11 coins sold. The larger silver dollar won the Coin of the Year Award for 2019-dated issues.
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