Re: “Helium shortage is sucking the air out of Bay Area balloon stores’ business” (Mercurynews.com, March 31): Helium shortage has an upside for wildlife: reducing the negative environmental impact of ...

Thank you so much for your informative and very important editorial titled “Up Up and Away” on the environmental hazards of helium balloons. Too often you see them strewn along beaches and tangled in ...

Hundreds of miles north of the Arctic Circle, Sandia National Laboratories researchers ensure the collection of important weather and climate data. By switching the gas used in their weather balloons, ...

Chanda Prescod-Weinstein’s lovely article on the origins and scarcity of terrestrial helium reminds me of a tour I had, about five years ago, around the chemistry lab of a leading UK university (13 ...

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