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Fossil fuels harm health from 'cradle to grave': Report
16 September 2025 @ 8:18 am
The extraction, transportation and burning of planet-heating fossil fuels have a huge impact on people's health that starts before they are born and lasts until they die, a report warned Tuesday.
In search of exo-Neptunes: TOI-421 planetary system reveals inclined orbital architecture
16 September 2025 @ 8:00 am
An international team led by the University of Geneva (UNIGE), including scientists from the National Center of Competence in Research PlanetS, the University of Warwick, and the Canary Islands Institute of Astrophysics, has launched an ambitious program to map exoplanets located around the Neptunian Desert. The goal: to better understand the formation and evolution of planetary systems.
Mapping the universe, faster and with the same accuracy
16 September 2025 @ 4:00 am
If you think a galaxy is big, compare it to the size of the universe: it's just a tiny dot which, together with a huge number of other tiny dots, forms clusters that aggregate into superclusters, which in turn weave into filaments threaded with voids—an immense 3D skeleton of our universe.
Scientists detected a potential biosignature on Mars—an astrobiologist explains the findings
15 September 2025 @ 9:30 pm
As the Perseverance rover traversed an ancient river valley in Mars' Jezero Crater back in July 2024, it drilled into the surface and extracted a sample from a unique, striped rock called Cheyava Falls. The rover's instruments then analyzed the sample, which is called Sapphire Canyon, and surveyed the surrounding rock.
New layered material successfully confines terahertz light to the nanoscale
15 September 2025 @ 9:19 pm
A new study has successfully demonstrated the confinement of terahertz (THz) light to nanoscale dimensions using a new type of layered material. This could lead to improvements in optoelectronic devices such as infrared emitters used in remote controls and night vision and terahertz optics desired for physical security and environmental sensing.
Scientists uncover how cellular receptors trigger inflammation and sensory changes
15 September 2025 @ 8:57 pm
In two new studies, scientists at Oregon Health & Science University have uncovered detailed blueprints of how certain molecular "gates" in human cells work—findings that could open doors to new treatments for conditions ranging from certain cancers and brain diseases to hearing loss and atherosclerosis, or plaque build-up in the arteries.
NASA analysis shows sun's activity ramping up
15 September 2025 @ 8:22 pm
The sun has become increasingly active since 2008, a new NASA study shows. Solar activity is known to fluctuate in cycles of 11 years, but there are longer-term variations that can last decades. Case in point: Since the 1980s, the amount of solar activity had been steadily decreasing all the way up to 2008, when solar activity was the weakest on record. At that point, scientists expected the sun to be entering a period of historically low activity.
Once again, an endangered orca in Washington state is seen carrying a dead calf
15 September 2025 @ 8:10 pm
Once again, an endangered orca in Washington state has been seen carrying her dead newborn calf in an apparent effort to revive it.
Culture is overtaking genetics in shaping human evolution, researchers argue
15 September 2025 @ 8:10 pm
Researchers at the University of Maine are theorizing that human beings may be in the midst of a major evolutionary shift—driven not by genes, but by culture.
First-principles simulations reveal quantum entanglement in molecular polariton dynamics
15 September 2025 @ 8:10 pm
This is what fun looks like for a particular set of theoretical chemists driven to solve extremely difficult problems: Deciding whether the electromagnetic fields in molecular polaritons should be treated classically or quantum mechanically.