Aerial lidar mapping can reveal archaeological sites while overlooking Indigenous peoples and their knowledge

Picture an aircraft streaking across the sky at hundreds of miles per hour, unleashing millions of laser pulses into a dense ...

New satellite method maps 'creeping drought' in Canada's mountain snow

Researchers at Concordia have developed a new method of measuring the amount of usable water stored in snowpacks. The ...

Student well-being comes from care, but is caring enough? Academics reflect on three stumbling blocks

Students' well-being in higher education has been a growing concern globally since the coronavirus pandemic, which disrupted ...

To reduce CO₂ emissions, policy on carbon pricing, taxation and investment in renewable energy is key

A new study evaluating climate policies in 40 countries over a 32-year period finds that carbon pricing and taxation—combined with investments in renewable energy and research—are among the most ...

Direct imaging captures the crystalline vibrations of a supersolid made of atoms and light

The 20th century was marked by the discovery of exotic states of matter. First, liquid helium was observed to flow without ...

Study finds imported ozone blunted Europe, US gains from NOx cuts

In North America and Europe, emissions of ozone precursors such as nitrogen oxides (NOx) and volatile organic compounds (VOCs ...

RNA droplets may have accelerated prebiotic Earth's development of complex molecules

The origin of life from Earth's primordial chemistry has long fascinated and perplexed us. Generations of scientists have ...

New chemi-mechanical process removes pigments and restores properties in recycled plastics

Researchers in Worcester Polytechnic Institute's Department of Chemical Engineering and at the University of Akron have published research in Chemical Engineering Journal about a new technology that ...

Freestanding 3D MXene structures push the limits of microscale devices

In a breakthrough that could power next-generation electronics, sensors, and energy storage devices, CMU engineers have ...

Silica nanocomposite can generate biocides on demand

A surface capable of responding to chemical signals generated by microorganisms and automatically producing biocidal ...

Growing meltwater reservoirs—glacial lakes are both a resource and a habitat worthy of protection

Should growing glacial lakes be used for energy production and water supply—or remain protected as ecologically valuable ...

Biodegradable polymers used to develop eco-friendly, high-performance gas sensors

Air pollutants like nitrogen dioxide (NO2), primarily produced during fossil fuel combustion, pose a serious concern for human health, contributing to respiratory diseases like pulmonary edema, ...