The most dangerous period when contracting Covid-19
With some F0, from the 5th to 10th day, many cases suddenly became severe, the SpO2 index dropped sharply.
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With some F0, from the 5th to 10th day, many cases suddenly became severe, the SpO2 index dropped sharply.
The Perseverance robot photographed the Martian landscape with the wheel tracks and drill bits it left on the red planet's surface last year.
The 1,700-year-old 5.6-gram gold coin features the emperor Volusianus and Libertas on both sides.
The images of the male singer appearing on stage are so true to perfection that many fans feel like they are witnessing him once again.
A new study shows that man-made drugs are seriously polluting the world's rivers
Lawrence Livermore National Laboratory successfully performed a record-setting fusion experiment powered by hydrogen plasma inside the fuel chamber.
The wings of this bird have a unique mechanism that allows them to both fly in the air, but can also be used as flippers underwater, allowing them to dive deep with incr…
Engineers are taking advantage of equipment available at the Texas facility to complete structural testing of the X-59 supersonic aircraft.
The flood caused by melting ice during the last Ice Age changed the Earth's surface, leaving many traces that can still be seen today in North America.
A motorway is under construction in west Wales and this is a pilot project on environmental protection related to used diapers.
Researchers are experimenting with using messenger RNA to heal broken bones and have had positive results when testing it in mice.
Recently, the French capital Paris has put into operation the first radar device to help measure the noise of traffic vehicles, and automatically
The experts who developed the experimental necklace were able to track the wearer's chin movement to see what they were asking for.
The new concrete model has improved 75% in waterproofing and 44% in reducing the corrosive effects of salt compared to commercial versions.
A study of 467 makeup products conducted by British experts found that 90% contained potentially deadly bacteria.