Sea glass, a treasure formed from trash, is on the decline as single-use plastic takes over
Sea glass, while an eye-catching treasure and a multimillion-dollar industry, exists because of decades of improper waste management.
Lori Weeden, Teaching Professor of Environmental Earth and Atmospheric Sciences, UMass Lowell •
conversation
Sept. 28, 2023 • ~7 min
Sept. 28, 2023 • ~7 min
Glass: Neither a solid nor a liquid, this common yet complicated material is still surprising scientists
Two glass researchers explain how glass is made, the unique properties of glass and how those properties have allowed it to be a useful material to humans for thousands of years.
Katelyn Kirchner, PhD Candidate in Materials Science, Penn State •
conversation
June 13, 2023 • ~7 min
June 13, 2023 • ~7 min
Scottish bottle deposit scheme to be blocked – but evidence from Europe suggests it's the way forward
Evidence suggests that Scotland’s bottle deposit scheme would prevent huge amounts of litter from entering the environment.
Sharon George, Research Chair, Indigenous Approaches to Environmental Management, Keele University
• conversation
March 16, 2023 • ~6 min
March 16, 2023 • ~6 min
New eye drops can help aging people see better – an optometrist explains how Vuity treats presbyopia
As people age, their eyes lose the ability to focus on close objects. A new eye drop treatment called Vuity can improve vision without the need for glasses, contacts or surgery.
Robert Bittner, Assistant Professor of Ophthalmology, University of Pittsburgh Health Sciences •
conversation
May 5, 2022 • ~8 min
May 5, 2022 • ~8 min
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