Unusual Green Ice Appears on Lake Lipno Due to Cyanobacteria Bloom
An unusual natural phenomenon occurred on Lake Lipno in South Bohemia, Czech Republic, at the end of 2025, causing the ice to turn green. According to Phys.org, large amounts of accumulated cyanobacteria in the water were responsible for the color change. The phenomenon was thoroughly documented by hydrobiologists from the Biology Centre of the Czech Academy of Sciences.
The green ice was observed in December 2025, marking a mid-winter bloom of cyanobacteria. Petr Znachor, from the Biology Centre of the Czech Academy of Sciences, captured the event in photographs.
In other news, maintaining lung health is essential, especially considering the air we breathe is often contaminated by allergens, smoke, and other pollutants, according to Nature News. Researchers are investigating the "exposome," the environmental factors that affect a person, to precisely analyze these effects.
Exercise is also vital for overall health. Nature News reports that even a little exercise can significantly reduce the chances of death from all causes and protect against conditions like coronary heart disease. Data from smart watches and wearable devices are providing fresh insights into the benefits of regular physical activity.
Meanwhile, in Mumbai, India, residents find breathing space on promenades like the one by Carter Road, according to NPR Politics. People stroll, read newspapers, nap, and enjoy the late-afternoon breeze. Mumbai, a city of over 18 million people, offers limited space, making these promenades essential for residents seeking respite.
In the entertainment industry, James Schamus, the producer of "Brokeback Mountain," spoke about the pitfalls of Netflix's 'taste communities' and praised how people are 'showing up for each other' in Minnesota following a fatal shooting, according to Variety. Schamus also warned that the Netflix-Warner Bros. deal will "be bad news for a while."
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