Science & Health: Space, Medicine, Climate Change And Humans
The home of space, archaeology, medicine, physics, climate change and everything else that impacts the planet, our health and the world of science.
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Things You Didn’t Know About NASA’s Mars Rovers
On July 4, 1997, a tiny, flat robot touched down on the surface of Mars and became the first wheeled vehicle to roam around on another planet. Since then, a fleet of Martian rovers have followed in the tracks of Sojourner and they have become bigger, better, and more autonomous over the years. Sojourner was…
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NASA Needs Ideas to Study Potentially Hazardous Asteroid Apophis
Asteroid 99942 Apophis is fast approaching our home planet for an uncomfortably close encounter in 2029. In order to prepare for the rare event, NASA is calling for ideas for low cost missions to rendezvous with Apophis, but the space agency already has a pair of asteroid probes ready to take on the task. NASA…
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What Is ‘Fried Rice Syndrome’ and How Scared of Leftovers Should I Be?
Lurking inside your reheated fried rice is a dangerous bacterial killer—at least, that’s what you might think after watching one of the latest viral videos shared on TikTok and other social media platforms. There is a grain of truth to this claim, and you should try to properly store your leftovers, but the risks of…
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Mathematicians Have Just Reversed the Sprinkler
For 141 years, physicists like Richard Feynman have puzzled over a question of fluid flow: how would a sprinkler rotate if it were underwater, sucking in the stuff instead of spewing it? Now, a team of researchers has found an answer. Though the idea was first proposed by experimentalists in the 1880s, it was repopularised…