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Phys.org / Mysterious iron 'bar' discovered in famous nebula

A mysterious bar-shaped cloud of iron has been discovered inside the iconic Ring Nebula by a European team led by astronomers at University College London (UCL) and Cardiff University.

21 minutes ago in Astronomy & Space
Phys.org / Living together with differences: Mathematical model shows how to reduce social friction without forcing consensus

Opinion polarization is often considered as the primary driver of social friction, leading to exhaustive efforts to force a consensus. However, new research suggests a more pragmatic goal: reducing the friction of disagreement ...

41 minutes ago in Other Sciences
Phys.org / How street vendors and waste pickers can help cities manage growth

The Milan Urban Food Policy Pact recently renewed global commitments to sustainable and equitable urban food systems. The pact has been signed by 330 cities around the world that have pledged to improve food production and ...

11 minutes ago in Other Sciences
Phys.org / Tightening the focus of subcellular snapshots: Combined approach yields better cell slices for cryoET imaging

Taking images of tiny structures within cells is tricky business. One technique, cryogenic electron tomography (cryoET), shoots electrons through a frozen sample. The images formed by the electrons that emerge allow researchers ...

3 hours ago in Biology
Phys.org / Neutral stances on hot topics can damage your reputation, study finds

People shouldn't be afraid to say what they think, and new research from the University of Virginia bears that out.

1 hour ago in Other Sciences
Medical Xpress / Color blindness may reduce early bladder cancer detection and survival

People who are colorblind may be missing a life-saving warning sign of bladder cancer. Analysis of the electronic health records of hundreds of people found that those with color vision deficiency (CVD), or color blindness ...

6 hours ago in Oncology & Cancer
Phys.org / Scientists map key oceanic unknowns in climate interventions

As Earth warms due to climate change, oceans are heating up, becoming more acidic, and losing oxygen. These changes threaten marine life, food webs, and global fisheries. Scientists agree that cutting greenhouse gas emissions ...

2 hours ago in Earth
Phys.org / Sri Lanka unveils a rare purple star sapphire claimed to be the biggest of its kind

A Purple Star Sapphire weighing 3,563 carats which is claimed to be the world's biggest of its kind was unveiled on Saturday in the Sri Lankan capital by the owners, who are ready to sell the precious stone which is estimated ...

2 hours ago in Other Sciences
Phys.org / How mountain terraces have helped Indigenous peoples live with climate uncertainty

Indigenous communities have lived with changes to the climate for centuries. Their adaptations over those many years are based on their close observation of weather, water, soils and seasonal change, and they have been refined ...

2 hours ago in Earth
Medical Xpress / 3D hybrid imaging system could address limitations of MRI, CT and ultrasound

In a proof-of-concept study, researchers from the Keck School of Medicine of USC and the California Institute of Technology (Caltech) have shown that an innovative, noninvasive technique can be used to quickly collect 3D ...

4 hours ago in Radiology & Imaging
Tech Xplore / Soft robotic hand 'sees' around corners to achieve human-like touch

To reliably complete household chores, assemble products and tackle other manual tasks, robots should be able to adapt their manipulation strategies based on the objects they are working with, similarly to how humans leverage ...

7 hours ago in Robotics
Phys.org / Horses can smell human fear when we sweat

Horses can smell your fear. If you are experiencing this emotion while standing near a horse, they will be able to detect it through your scent alone, which changes their behavior and physiology. That's the conclusion of ...

9 hours ago in Biology