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Innovation

Horse Milk Ice Cream

A team of food scientists at West Pomeranian University of Technology in Poland has discovered that horse milk can be a viable alternative to cow's milk in ice cream production. Their study, published in the open-access journal PLOS ONE, involved creating four different ice cream varieties using horse milk and various bacteria.

Traditionally, ice cream is made by combining cow's milk with cow's cream and other ingredients, resulting in a beloved treat enjoyed worldwide. In this study, the researchers explored the possibility of substituting cow's milk with horse milk while still using cow's cream, and found it to be a feasible option.

Many cultures have used horse milk for centuries, with some believing in its potential health benefits, though these remain scientifically unproven. Previous research has indicated that horse milk is more similar in composition to human milk than cow's milk, making it a safer alternative for people with cow's milk allergies. Additionally, horse milk contains beneficial enzymes and proteins not found in cow's milk, prompting scientists to explore its use in various food products.

In their research, the team produced four types of ice cream using horse milk. The first batch included yogurt bacteria; the second combined yogurt bacteria with inulin, a probiotic. The third batch featured a strain of bacteria called Lacticaseibacillus rhamnosus, while the fourth incorporated a different strain, Lactiplantibacillus.

Testing of the ice cream samples revealed that all four varieties were similar in terms of overrun, melting characteristics, and protein levels. The samples were also found to be creamy, visually appealing, and had a good taste and texture, according to feedback from 60 volunteers who participated in the tasting. However, the batch with yogurt bacteria and inulin was noted to have a slightly acidic flavor.

I have found that most people in the US aren’t used to drinking any milks other than cow milk. So for most of us, it might seem like a very strange idea. However, I have noticed that products like goat milk yogurt seem to be a lot more common now in places that did not previously have it. Maybe this is something people could get used to.

World News

World’s Oldest “Tennis” Court

Just twenty miles from golf's birthplace lies a different kind of sports landmark: the world's oldest tennis court. But this isn't Wimbledon. At the Falkland Palace Royal Tennis Club, 50 members play a version of the sport known as "real" tennis, which predates lawn tennis by more than 300 years.

Nestled near the Lomond Hills, about a half-hour drive from St. Andrews, the Falkland Palace court was built in 1539 by King James V of Scotland. Real tennis, played on a hard court enclosed by four walls, gained popularity among European nobility in the 15th century. The game features complex scoring based on wall and floor markings.

Club members are eager to introduce visitors to this centuries-old tradition. Kevin Gilbert, a club member who discovered the sport while living in Australia—home to a few of the remaining 50 real tennis courts worldwide—sought out a place to play after retiring to Scotland. Luckily, half of the world's real tennis courts are in the UK.

“It’s quite different from lawn tennis, which originated in the 19th century,” Kevin told the British news outlet SWNS. “In this game, you hit the ball off a penthouse roof, and you’re allowed to hit it onto the walls. There are other quirks that can earn you points.”

Lawn tennis was created to make the game more accessible to the public, without the need for a specialized court. But real tennis enthusiasts appreciate the opportunity to play the game in its original form.

“In those days, only royalty and the upper class could afford to play on these courts,” Gilbert said. “When lawn tennis was invented in the mid-19th century, a journalist reportedly coined the term ‘real tennis’ to distinguish the original game.”

Falkland Palace, where the court is located, is maintained by the National Trust of Scotland. The club plans to raise funds for maintenance and upgrades as part of its 50th-anniversary celebrations next year.
The palace attracts thousands of visitors each year, and some even request game time on the court in advance.

Environment

Cutting-Edge Drones Clean Up Everest's Trash

Nepal and China's largest drone manufacturer, Da Jiang Innovations, have signed an agreement to supply heavy lift drones to help clear trash from Mount Everest. These drones will be operated by Sherpas, who have long been responsible for removing waste from the mountain. The drones will allow them to access dangerous areas without risking their lives.

The Sagarmatha Pollution Control Committee (SPCC) and the Khumbu Pasang Lhamu rural municipality have agreed to use these drones commercially after a successful test in April. The SPCC works to remove trash and bodies from Everest's slopes, requiring climbers to carry down a certain amount of garbage or forfeit a $4,000 deposit.

The Khumbu Icefall, a particularly dangerous part of the climb, has claimed the lives of nearly 50 Sherpas between 1953 and 2023. The use of drones aims to reduce fatalities in this area. While there are concerns about job loss, the priority is safety. Sherpas will be trained to operate the drones, which cannot function at higher altitudes.

The drones have a load capacity of 30 kg at Camp I, but this decreases to 18 kg at Camp II, 6,400 meters above sea level. The SPCC is committed to removing trash and bodies, especially as warmer temperatures uncover old waste, threatening to pollute the water sources in the region.

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Mind Stretchers

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I don’t have eyes yet see your most precious memories, What am I?

Yesterday’s Answers to the Mind Stretchers:
I am not alive, but I can die. What am I? -A battery

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