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Coffee Machines Stock Germs, Say Scientists

Coffee machine making an espresso. AFP photo
Coffee machine making an espresso. AFP photo
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Coffee Machines Stock Germs, Say Scientists

Coffee machine making an espresso. AFP photo
Coffee machine making an espresso. AFP photo

Scientists have found that all kinds of pathogens gather in coffee grounds and in used pod machine capsules.

According to the German News Agency (DPA), Fritz Titgemeyer, head of the Food Microbiology Laboratory at the Munster University of Applied Sciences in Germany, said that damp coffee grounds encourage the growth of germs.

If you leave a used coffee pod in the machine for a few days before throwing it out, some mould spores may remain in there and you may be adding them to your next brew.

Titgemeyer noted that a heat-stable poison may have developed, a so-called mycotoxin, and you will not be able to see or taste it.

The water containers and the plastic tubes in coffee machines are also a perfect breeding ground for bacteria if they are not cleaned properly. The expert said that bacteria can settle there in the form of biofilms. All removable components need to be cleaned thoroughly.

Titgemeyer added however disgusting it may be to imagine one's coffee machine full of microorganisms, they do not really pose a health risk.

"The water is heated to 80 degrees Celsius, which kills any germs present in the water tank," he said.

If you use the machine to make cold drinks, however, you may need to worry. Titgemeyer explained that in cold-extracted drinks like iced tea or iced coffee, all germs will remain. The good news is that many coffee machines include a self-cleaning program, but there are also extra things you can do to make sure you keep the germs at bay.

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Jill Biden Gets Priciest Gift from a Foreign Leader in 2023 — a $20,000 Diamond

US President Joe Biden and First Lady Jill Biden walk on the South Lawn of the White House as they return to Washington, DC, from Camp David, on January 2, 2025. (Photo by Chris Kleponis / AFP)
US President Joe Biden and First Lady Jill Biden walk on the South Lawn of the White House as they return to Washington, DC, from Camp David, on January 2, 2025. (Photo by Chris Kleponis / AFP)
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Jill Biden Gets Priciest Gift from a Foreign Leader in 2023 — a $20,000 Diamond

US President Joe Biden and First Lady Jill Biden walk on the South Lawn of the White House as they return to Washington, DC, from Camp David, on January 2, 2025. (Photo by Chris Kleponis / AFP)
US President Joe Biden and First Lady Jill Biden walk on the South Lawn of the White House as they return to Washington, DC, from Camp David, on January 2, 2025. (Photo by Chris Kleponis / AFP)

President Joe Biden and his family were given tens of thousands of dollars in gifts from foreign leaders in 2023, according to an annual accounting published by the State Department on Thursday, with first lady Jill Biden receiving the single most expensive present: a $20,000 diamond from India’s leader.
The 7.5-carat diamond from Indian Prime Minister Narendra Modi was easily the most costly gift presented to any member of the first family in 2023, although she also received a brooch valued at $14,063 from the Ukrainian ambassador to the United States and a bracelet, brooch and photograph album worth $4,510 from the president and first lady of Egypt.
The US president himself received a number of expensive presents, including a commemorative photo album valued at $7,100 from South Korea’s recently impeached President Suk Yeol Yoon, a $3,495 statue of Mongolian warriors from the Mongolian prime minister, a $3,300 silver bowl from the sultan of Brunei, a $3,160 sterling silver tray from the president of Israel, and a collage worth $2,400 from Ukrainian President Volodymyr Zelenskyy.
Federal law requires executive branch officials to declare gifts they receive from foreign leaders and counterparts that have an estimated value of more than $480. Many of the gifts that meet that threshold are relatively modest, and the more expensive ones are typically — but not always — transferred to the National Archives or put on official displays.
The $20,000 diamond was retained for official use in the White House East Wing, according to a State Department document, while the other gifts to the president and first lady were sent to the archives.
Vanessa Valdivia, a spokesperson for Jill Biden, said the diamond will be turned over to the archives after they leave office. According to The Associated Press, she did not say what it was being used for.
Ukraine's ambassador, Oksana Markarova, said Friday on Facebook that a Ukrainian designer fashioned the brooch from the remains of a Russian rocket and that the piece was made from inexpensive materials, so its “true value ... lies in its symbolism." The embassy's spokesperson, Halyna Yusypiuk, said US officials provided the assessed value.
Recipients have the option to purchase the gift from the US government at its market value, although that is rare, particularly with high-end items.
According to the State Department’s Office of Protocol, which compiles the list that will be published in Friday’s edition of the Federal Register, several employees of the CIA reported receiving lavish gifts of watches, perfume and jewelry, nearly all of which were destroyed. Of the gifts destroyed, they were worth more than $132,000 combined.
CIA Director William Burns received a $18,000 astrograph, which is a telescope and astrological camera, from an foreign source whose identity is classified. That is being transferred to the General Services Administration. But Burns reported receiving and destroying an $11,000 Omega watch, while numerous others did the same with luxury timepieces.
Below the rank of director, the CIA employees who reported gifts are not identified, but one of them logged an Omega Seamaster Aqua Terra watch, a ladies Omega Constellation watch, a diamond necklace, earring bracelet, and a ring that were valued together at $65,100.