The Petersburg Post

Tuesday, May 7th, 2024 - The first crewed flight of Boeing's Starliner spaceship was dramatically called off just two hours before launch after a new safety issue was identified, officials said Monday, pushing back a high-stakes test mission to the International Space Station. Astronauts Butch Wilmore and Suni Williams were strapped into their seats preparing for liftoff when the call for a "scrub" came because engineers noticed audible ...

Tuesday, May 7th, 2024 - In the last week, weather authorities across the U.S. have reported over 100 tornadoes tearing through central and southern regions, leading to significant destruction of homes and infrastructure from Oklahoma to Nebraska and Iowa. A particularly severe tornado struck Oklahoma in the middle of night, resulting in the deaths of at least four individuals and injuries to over 300 due to severe thunderstorms and high ...

Tuesday, May 7th, 2024 - We know that inheriting two copies of a specific gene variant, called apolipoprotein E4 ( APOE4 ) , greatly increases the risk of developing Alzheimer's disease later in life. Now, a new study has found that people with two copies of APOE4 are all but certain to develop Alzheimer's if they live long enough. The findings suggest two copies are not just a risk factor but an underlying cause of the disease, which ...

Tuesday, May 7th, 2024 - Black holes, those mysterious places in space where gravity is so strong that not even light can escape, make for great movie plot twists. But Hollywood aside, there are many things humans don't understand about a black hole. A  new video from NASA  attempts to show what it looks like when an object crosses the event horizon, or boundary, of a black hole. Since no technology can survive this experience, ...

Tuesday, May 7th, 2024 - Sign up for CNN's Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more . Earth's magnetic field plays a key role in making our planet habitable. The protective bubble over the atmosphere shields the planet from solar radiation, winds, cosmic rays and wild swings in temperature. However, Earth's magnetic field almost collapsed 591 million years ...

Tuesday, May 7th, 2024 - Researchers are looking at proactive ways through which we can defend ourselves from viruses. A team of scientists from Cambridge University have developed a vaccine that works against the common elements of all coronaviruses. The vaccine, which has only been tested on mice so far, promises to protect us from existing strains, as well as ones that haven't emerged yet. "Our focus is to create a vaccine that will ...

Tuesday, May 7th, 2024 - Previous theories don't hold water for some. Venus is our nearest planetary neighbor and often dubbed Earth's twin due to its similar size. However, when it comes to water content, it's our polar opposite. Venus's surface is starkly arid, with just a thin layer of water vapor in its atmosphere, in contrast to the vast oceans that cover Earth. In a study published in Nature , researchers from the Laboratory for ...