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Phys.org / AI matches human graders in ranking macroeconomics exam text responses

How does high population growth affect gross domestic product? Economics students are all too familiar with exam questions like this. As free-text questions, they require not only specialist knowledge but also the ability ...

21 hours ago in Other Sciences
Phys.org / Recyclable fluorine improves properties of degradable polyester plastics

Incorporating fluorine into certain polyesters accelerates polymer chain formation, makes longer chains accessible, and enables targeted modification of the material's properties. As a result, fluorinated polyesters become ...

22 hours ago in Chemistry
Phys.org / Giving waste plastics a second life as high-performance carbon nanomaterials

A study published in Nature Communications has shown that, rather than being discarded, plastics can be transformed into valuable carbon nanomaterials that help solve both energy and environmental challenges.

22 hours ago in Nanotechnology
Phys.org / Nutritional supplements can boost baby coral survival to aid reef restoration

Feeding coral larvae a coral "baby food" can dramatically increase their chances of survival, offering a new avenue for reef restoration as climate change continues to threaten coral ecosystems, a new study finds.

23 hours ago in Biology
Medical Xpress / Experimental inhibitor reduces cell death in models of life-threatening skin reactions

A collaborative research group has developed a novel therapeutic candidate that may improve the prognosis of severe cutaneous adverse reactions such as Stevens–Johnson syndrome (SJS) and toxic epidermal necrolysis (TEN).

21 hours ago in Medications
Phys.org / How changing limb posture helped ancient reptiles grow

New research has revealed how more upright limb postures helped ancient reptiles overcome the biomechanical constraints of body size, paving the way for the evolution of larger sizes in archosaurs—a group that includes ...

23 hours ago in Biology
Phys.org / Even boneless insects have an endocrine system for calcium control, fruit fly study shows

In vertebrates, calcium is stored in bones, and its release is tightly regulated. Now, using fruit flies as a model organism, researchers at University of Tsukuba have shown that even animals without bones possess specialized ...

23 hours ago in Biology
Phys.org / Microarray platform detects vaccination gaps and antibiotic resistance

Scientists at the Leibniz Institute of Photonic Technology (Leibniz IPHT) have developed a new microarray-based diagnostic platform that can help close vaccination gaps and quickly detect antibiotic-resistant bacteria.

23 hours ago in Biology
Medical Xpress / AI outperforms human experts in detecting glaucoma

Artificial intelligence (AI) might be able to help doctors make glaucoma screening widely available, a new study says.

14 hours ago in Ophthalmology
Phys.org / Europe's deep-sea telescope on a hunt for the origins of the universe

Below the waves of the Mediterranean, Europe's KM3NeT neutrino telescope is on a cosmic hunt. Towering strings of sensors stretch a kilometer down to the seafloor, arranged in a vast 3D grid.

20 hours ago in Astronomy & Space
Medical Xpress / Eye scans reveal clues to aging and heart disease risk, study finds

The tiny blood vessels in your eyes might hold the key to predicting a person's risk of developing heart disease and how fast they're biologically aging, according to researchers at McMaster University and Population Health ...

19 hours ago in Ophthalmology
Phys.org / Blood tests show highest levels of forever chemicals in those living near New Mexico plume

It's a name many people have trouble pronouncing, but these synthetic chemicals have been used in everything from fast-food packaging to nonstick cookware, clothing, household cleaning products and even firefighting foam.

19 hours ago in Earth