Rembi 102

09 Friday Oct 2026

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The exchange rate between the Chinese Yuan Renminbi (CNY) and the US Dollar (USD) has experienced fluctuations over the past six years (from April 2019 to April 2025). Here’s a summary of the general trends and some specific points:
General Trends:
Appreciation followed by Depreciation: Over the six-year period, the Renminbi initially showed some appreciation against the US dollar, followed by periods of depreciation.
Influence of Global Events: Global economic events, trade tensions, and changes in monetary policies in both China and the United States have significantly influenced the exchange rate.
Fluctuations within a Range: While there have been notable swings, the CNY/USD exchange rate has generally fluctuated within a certain range.
Specific Observations (based on available data up to April 30, 2025):
Around April 2020: The USD/CNY rate was approximately around 7.13-7.15. This means one US dollar could buy roughly 7.13 to 7.15 Chinese Yuan.
Fluctuations in 2021 and 2022: The Renminbi generally strengthened against the dollar during parts of 2021 and early 2022. The USD/CNY rate fell to below 6.40 at some points.
Weakening in late 2022 and 2023: The trend reversed in late 2022 and throughout 2023, with the Renminbi weakening significantly against the US dollar. The USD/CNY rate climbed above 7.30 at times.
Recent Fluctuations (2024 – April 2025): In the past year and the beginning of 2025, the exchange rate has continued to see some volatility, generally staying in the range of 7.10 to 7.35 USD/CNY.
Key Data Points (Approximate):
Highest USD/CNY in the last 6 months: Around 7.3463 on April 10, 2025.
Lowest USD/CNY in the last 6 months: Around 7.1017 on November 5, 2024.
As of April 30, 2025: The USD/CNY exchange rate is around 7.27-7.30.
In summary, the Chinese Renminbi has experienced significant fluctuations against the US dollar over the past six years, influenced by a variety of economic and geopolitical factors. There was an initial strengthening of the RMB followed by a weakening trend, with ongoing volatility within a defined range.
For more precise historical data, you can refer to financial data providers or central bank websites that offer detailed exchange rate history.

Long-term melatonin use linked to 90% higher heart failure risk | ScienceDaily

02 Friday Oct 2026

Posted by in Wellness

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American Heart Association
Summary:
People with chronic insomnia who used melatonin long term had a roughly 90% higher risk of developing heart failure over five years, according to a large preliminary study. The findings do not prove melatonin causes heart problems, but they raise new questions about the safety of taking the popular sleep supplement for extended periods.

Long-term melatonin use linked to 90% higher heart failure risk | ScienceDaily

https://www.sciencedaily.com/releases/2026/08/260829035228.htm

TravelTuesday: Above the Clouds in New Hampshire

29 Tuesday Sep 2026

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The Mount Washington Auto Road: is a 7.6 mi (12.2 km) toll road in southern Coos County, New Hampshire that extends from New Hampshire Route 16 in Green’s Grant, just north of Pinkham Notch, westward across Pinkham’s Grant and Thompson and Meserve’s Purchase to the summit of Mount Washington in the White Mountains of the US state of New Hampshire. The road climbs 4,618 ft (1,408 m) from an altitude of 1,527 ft (465 m) at the bottom to 6,145 ft (1,873 m) at the top, an average gradient of 11.6%. The road was completed and opened to the public in 1861. From Wikipedia.

Pain

26 Saturday Sep 2026

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“Only to the degree that we’ve gotten to know our personal pain, only to the degree that we’ve related with pain at all, will we be fearless enough, brave enough, and enough of a warrior to be willing to feel the pain of others.” Pema Chodron

Watch UCTV: The Human Brain in its Usual, Extraordinary and Compromised State.

25 Friday Sep 2026

Posted by in Neuroscience

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Dr. Bruce Miller, director of the UCSF Edward and Pearl Fein Memory and Aging Center, examines what neurodegenerative disease reveals about the neural basis of creativity and the social mind. Research in frontotemporal dementia (FTD) shows that visual creativity is not rare: a subset of patients—particularly those with left anterior temporal degeneration—develop new or intensified artistic abilities early in the disease course. These findings suggest that damage to language-dominant left hemisphere regions may release posterior visual networks from inhibition, leading to enhanced visual–spatial expression. Miller situates these observations within human evolution, proposing that art emerges with Homo sapiens, possibly linked to changes in the parietal lobe and the development of the social brain. In contrast, behavioral variant FTD erodes empathy and altruism through right frontal degeneration. Together, these patterns suggest brain asymmetry is central to our creative and social capacities. Recorded on 02/27/2026.


UCTV is the broadcast and online media platform of the University of California, featuring programming from its ten campuses, three national labs and affiliated research institutions.