Phys.org news

Phys.org / Less, but more: A new evolutionary scenario marked by massive gene loss and expansion

Evolution is traditionally associated with a process of increasing complexity and gaining new genes. However, the explosion of the genomic era shows that gene loss and simplification is a much more frequent process in the ...

Feb 10, 2025 in Biology
Phys.org / Satellite data study pinpoints areas sinking and rising along California coast

Tracking and predicting sea level rise involves more than measuring the height of our oceans: Land along coastlines also inches up and down in elevation. Using California as a case study, a NASA-led team has shown how seemingly ...

Feb 10, 2025 in Earth
Phys.org / Class emerges as a key factor in who gets sent to prison

The incarceration rate of Black Americans has fallen sharply in the 21st century, according to a new study, but the trend has coincided with a rise in imprisonment of white Americans with no college education.

Feb 10, 2025 in Other Sciences
Phys.org / Students discover a new protein while investigating Streptococcus infection

Strep throat, something we've all had at some point in our lives, is caused by the bacteria Streptococcus pyogenes. Infection by Streptococcus can be fatal in serious cases and is the leading cause of death among flesh-eating ...

Feb 10, 2025 in Biology
Phys.org / Biochemists discover self-repair function in key photosynthetic protein complex

Cyanobacteria began contributing oxygen to Earth's mostly noxious atmosphere more than 2 billion years ago. The photosystem II protein complex now shared by various lineages of cyanobacteria, algae and land plants has served ...

Feb 10, 2025 in Chemistry
Phys.org / World may have entered era of 1.5C warming, scientists say

Last year's record-breaking temperatures could be a sign that the world is entering a new era above 1.5C of global warming, scientists say, one never before faced by modern humans.

Feb 10, 2025 in Earth
Phys.org / Massive stellar feedback influences star formation, finds study of W4 super-large HII region

A new study has unveiled new insights into the effects of massive stars on nearby molecular gas and star formation in the W4 super-large HII region.

Feb 10, 2025 in Astronomy & Space
Phys.org / Investors more likely to opt for green labels over financial returns, fueling greenwashing concerns

Over the past decade, sustainable investing has exponentially grown in its global impact and popularity. This emerging trend led University of Waterloo researchers to investigate how green labels influence investment decisions. ...

Feb 10, 2025 in Other Sciences
Phys.org / Scientists spot candidate for speediest exoplanet system

Astronomers may have discovered a scrawny star bolting through the middle of our galaxy with a planet in tow. If confirmed, the pair sets a new record for the fastest-moving exoplanet system, nearly double our solar system's ...

Feb 10, 2025 in Astronomy & Space
Phys.org / Qubits to qudits: Using quantum mechanics to transmit information more securely

In the realm of quantum information distribution, sending a signal from point A to point B is like a baseball pitcher relaying a secret pitch call to the catcher. The pitcher has to disguise the signal from the opposing team ...

Feb 10, 2025 in Physics
Phys.org / Chromatin fiber's genomic 'memory' governs the building blocks of life, study reveals

Northwestern Medicine scientists have discovered new details about how the human genome produces instructions for creating proteins and cells, the building blocks of life, according to a pioneering new study published in ...

Feb 10, 2025 in Biology
Phys.org / Nanotech reveals how harmful microplastics stick to coral reefs

University of Waterloo researchers have pinpointed for the first time how microplastics accumulate in coral reefs, a key step to understanding how to protect vulnerable ecosystems.

Feb 10, 2025 in Nanotechnology