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Phys.org / How old is the universe? The oldest stars give us a clue
Researchers from the University of Bologna and the Leibniz Institute for Astrophysics Potsdam (AIP) along with other institutes have proposed a new way to address the Hubble tension by comparing estimates of the universe's ...
Medical Xpress / Good‑quality child care? What parents should consider, and how it can be assessed
Children's experiences during early years form the foundation for their development.
Phys.org / Quantum entanglement offers route to higher-resolution optical astronomy
Researchers in the US have demonstrated how quantum entanglement could be used to detect optical signals from astronomical sources at the single-photon level. Published in Nature, a team led by Pieter-Jan Stas at Harvard ...
Phys.org / When silence isn't an option: Designing green spaces that still relax
Local recreation areas play an important role in reducing stress. In two new publications, researchers at the Swiss Federal Institute for Forest, Snow and Landscape Research WSL show how visual impressions and sounds interact ...
Phys.org / Data reveal a significant acceleration of global warming since 2015
Global warming has accelerated since 2015, according to a new study by the Potsdam Institute for Climate Impact Research (PIK). After accounting for known natural influences on global temperature, the research team detected ...
Phys.org / Gravitational waves reveal hidden structure of galactic centers
A new study published in Nature Astronomy indicates that the dense, star- and dark-matter–rich environments around supermassive black hole binaries pack on the order of a million solar masses into each cubic parsec. The ...
Phys.org / 'Superconducting dome' hints at high-temperature superconductivity in thin nickelate films
Superconductivity is a quantum state of matter characterized by an electrical resistance of zero and the expulsion of magnetic fields at low temperatures below a critical point. Superconductors, materials in which this state ...
Phys.org / The Black Death's counterintuitive effect: As human numbers fell, so did plant diversity
Between 1347 and 1353, Europe was gripped by the most catastrophic pandemic in its history: the Black Death. Killing many millions, the plague wiped out between one-third and a half of Europe's population.
Medical Xpress / New study identifies key factors supporting indigenous well-being
A new study of more than 6,000 American Indian/Alaska Native (AI/AN) and Native Hawaiian/Pacific Islander (NH/PI) adults shows that nearly one-third meet criteria for "healthy functioning," a multidimensional measure capturing ...
Medical Xpress / Teenagers are getting far less sleep now than they did in late 2000s, finds new study
Eight hours of sleep used to be the norm, and all-nighters with only a few hours of rest were rare among teenagers. In recent years, however, there has been an alarming decline in sleep duration. It has reached a point where ...
Phys.org / Toward practical laser-driven light sails using photonic crystals
Most space missions rely on chemical rockets for propulsion. Rockets must carry fuel, which increases spacecraft mass and limits their speed and travel distance. For decades, researchers have explored light sails as an alternative. ...
Phys.org / Missing technosignatures? Turbulent plasma may blur ultra-narrow signals before they leave their home star systems
A new study by researchers at the SETI Institute suggests that stellar "space weather" could make radio signals from extraterrestrial intelligence harder to detect. Stellar activity and plasma turbulence near a transmitting ...
