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Two-step system makes plastic from carbon dioxide, water and electricity

This article has been reviewed according to Science X's editorial process and policies . Editors have highlighted the following attributes while ensuring the content's credibility: Credit: Angewandte Chemie International Edition (2025). DOI: 10.1002/anie.202503003 What if a machine could suck up carbon dioxide from the atmosphere, run it through a series of chemical reactions, and essentially spit out industrially useful plastic? "I think that is something that we, as a society, would be inte

Methane Pollution Has Cheap, Effective Solutions That Aren’t Being Used

This story originally appeared on Vox and is part of the Climate Desk collaboration. Odorless and colorless, methane is a gas that is easy to miss—but it’s one of the most important contributors to global warming. It can trap up to 84 times as much heat as carbon dioxide in the atmosphere, though it breaks down much faster. Measured over 100 years, its warming effect is about 30 times that of an equivalent amount of carbon dioxide. That means that over the course of decades, it takes smaller a

The Best Teeth Whitening Strips in 2025. Plus, Dentist Tips for Long-Lasting Results

Those with sensitive teeth should look out for products without hydrogen peroxide. Make sure the white strips fit snug on your teeth and don't touch the gums. CNET staff -- not advertisers, partners or business interests -- determine how we review products and services. If you buy through our links, we may earn a commission. Professional teeth whitening can cost anywhere from $300 to $1,000. It’s no surprise many people turn to over-the-counter strips, kits and toothpaste to brighten their sm

The iPhone Air may get a new battery-saving display – but not this year

One of the likely challenges of the upcoming iPhone 17 Air is battery life. Indeed, Apple’s own tests reportedly show that a lot of us wouldn’t make it through the day with the ultra-slim model. The company may have a fix for that in the works, in the form of a new power-efficient display upgrade. But Apple isn’t expected to incorporate the new tech before 2027 at the earliest … The iPhone 17 Air is set to be the slimmest iPhone Apple has ever made, but it’s going to come with some significant

Major sugar substitute found to impair brain blood vessel cell function

This article has been reviewed according to Science X's editorial process and policies . Editors have highlighted the following attributes while ensuring the content's credibility: Credit: Pixabay/CC0 Public Domain Erythritol may impair cellular functions essential to maintaining brain blood vessel health, according to researchers at the University of Colorado Boulder. Findings suggest that erythritol increases oxidative stress, disrupts nitric oxide signaling, raises vasoconstrictive peptide