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HELPFUL TIPS: How to Clean Your Space Underwear

NASA Space Underwear

We can probably all agree that sharing your unwashed underwear with another person isn’t ideal. However, for astronauts onboard the International Space Station (ISS), performing a spacewalk requires that they share not only the spacesuits, but also a next-to-the-skin piece of clothing that’s worn underneath the spacesuit and resembles long underwear, known as the Liquid Cooling and Ventilation Garment (LCVG). Access to a freshly laundered LCVG isn’t an option on the ISS, but technicians with the European Space Agency (ESA) are taking steps to improve the antimicrobial properties in LCVG materials to keep these shared garments clean and fresh for … Read more

Could Aliens Breathe Hydrogen or Helium? This Bacteria Says Yes

yeast bacteria - deposit photos

Could aliens that breathe helium and hydrogen live on exoplanets throughout the cosmos? A new study of life on Earth suggests it’s possible. And if so, that would mean the hunt for life in the universe may need to look beyond oxygen-bathed planets to ones with seemingly inhospitable atmospheres. There is no question that an oxygen atmosphere is conducive to life — after all, it’s what we breathe on Earth. But oxygen isn’t common in the cosmos. It makes up about 0.1% of the mass of the universe. Far more common is hydrogen (92%) and helium (7%). The planet that … Read more