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Chemists Are on the Hunt for a Long-lasting Sunscreen

health.howstuffworks.com/skin-care/beauty/sun-care/longlasting-sunscreen-chemistry.htm

New research examines exactly how sunscreen's chemical filters block radiation from the sun. Learn more in this HowStuffWorks article.

Mars Has a Magnetosphere Problem. Inflatables Could Help

science.howstuffworks.com/mars-has-magnetosphere-problem-inflatables-could-help.htm

Scientists have proposed creating an artificial magnetosphere for Mars with some help from inflatables. Learn more at HowStuffWorks.

Will Humans Be Living in Space in the Next 50 Years?

science.howstuffworks.com/living-in-space.htm

These outer space abodes will have to protect inhabitants from extreme temperatures, radiation and flying moon dust. One man is actually selling deeds for lunar property at $20 a pop. Seriously?

How Weather Works

science.howstuffworks.com/nature/climate-weather/atmospheric/weather.htm

Weather is the state of the atmosphere, rather than something that only affects your area. Read more about weather and the complex system behind it.

The Amazing, and Alarming, Science Behind Red Snow

science.howstuffworks.com/nature/climate-weather/atmospheric/amazing-and-alarming-science-behind-red-snow.htm

Red snow? Yes. It totally exists. And while it might look cool, it's not exactly what you want to see from Mother Nature.

Terrestrial Planets Are the Rocky Planets of the Solar System

science.howstuffworks.com/terrestrial-planets.htm

Terrestrial planets include the four closest to our sun, including Mercury, Venus, Earth and Mars. What else makes these celestial bodies terrestrial planets?

Top 5 Green Robots

science.howstuffworks.com/environmental/green-tech/sustainable/5-green-robots.htm

There's nothing particularly organic about a robot, even if you dress it in hemp and fuel it with alternative energy. But these five can help our planet one mechanical movement at a time.

How have NASA space helmets changed optics?

science.howstuffworks.com/innovation/nasa-inventions/nasa-space-helmets-changed-optics.htm

NASA space helmets are nifty devices that allow astronauts to operate in the hostile environment of space, but did you know that the technology behind them has also directly benefitted eyeballs here on Earth? Learn more about NASA and optics.

How Kryptonite Works

entertainment.howstuffworks.com/arts/comic-books/kryptonite.htm

Learn all about the radioactive mineral known as kryptonite.

Richard Sharpe Shaver, UFO Hoaxster

science.howstuffworks.com/space/aliens-ufos/richard-sharpe-shaver.htm

Richard Sharpe Shaver was a controversial UFO storyteller promoted by Ray Palmer. Check out his amazing stories of aliens called deros and teros.

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