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2025年1月8日 · A very rare treat is about to grace Earth's night skies. On the evening of 28 February 2025, all seven of the other planets in the Solar System will appear in the night sky at the same time, with Saturn, Mercury, Neptune, Venus, Uranus, Jupiter, and Mars all lining up in a neat row – a magnificent sky feast for the eyes known as a great planetary alignment.

French scientists on Tuesday announced that they had reached a "crucial milestone" in the long road towards nuclear fusion by managing to maintain raging-hot plasma for a record 22 minutes.

2024年12月20日 · Now we have a more accurate map of magnetic north, one that should be good for another half a decade. For the first time, a higher resolution map is also available, which offers more than 10 times more detail: it has a spatial resolution of about 300 km at the equator compared to the standard 3,300 km.. The 2025 World Magnetic Model.

2025年3月3日 · Unless directed otherwise, everyone ages 6 months and older should get a flu shot. Why are flu cases so high this year? There are a number of factors behind any severe season, including poor community protection from low immunization rates and low natural immunity, virus characteristics, vaccine effectiveness and increased human contact via travel, …

2025年2月3日 · Excess sodium increases the risk of high blood pressure, which affects millions of Australians (around one in three adults).High blood pressure (hypertension) in turn increases the risk of heart disease, stroke and kidney disease, among other …

Tiny fragments of microplastics are making their way deep inside our bodies in concerning quantities, significantly through our food and drink. In 2024, scientists found a simple and effective means of removing them from water. A team from Guangzhou Medical University and Jinan University in China ...

"Spotting a process that was previously undocumented is a thrill," geophysicist John Vidale of the University of Southern California told ScienceAlert. "We're always hoping to find the next weird and profound fact, and this observation is brand new.

Just 6 kilometers (about 4 miles) of briny water separate the ocean's surface from the depths known as the hadal zone. Yet for as much as we know what lurks in its cold darkness, it might as well be another world. The life that flourishes down there is …

2025年2月19日 · A new contender for a human 'language gene' can change the way that mice squeak when it is incorporated into their DNA. The gene is called NOVA1, and in our own species, it is remarkably unique.While virtually all other mammals have the same NOVA1 variant in their genetic code, a single change of an amino acid is seen in the human version.