Phys.org news

Phys.org / Engineered tobacco plant can produce five psychedelics, including psilocybin and DMT

Compounds in psychedelic drugs like DMT, psilocybin, and psilocin are naturally produced in certain plants, fungi, and animals, and have a long history of use in spiritual and therapeutic contexts. Now, a considerable amount ...

20 minutes ago
Phys.org / Male fish lose their learning edge in drug-polluted waters, research reveals

A common antidepressant detected in rivers and streams worldwide is disrupting how fish learn, and the impact is strikingly one-sided. New research led by Monash University shows the drug amitriptyline impairs spatial learning ...

40 minutes ago
Phys.org / Gravity from positivity: Single massive spin-3/2 particle makes gravity logically inevitable, study claims

Researchers at IPhT (CEA, CNRS) and the Universitat Autònoma de Barcelona have shown that gravity—and with it, supersymmetry—emerge as logical necessities whenever a massive spin-3/2 particle exists in nature. Two principles ...

1 hour ago
Phys.org / Backyard birdwatchers help scientists uncover what hawks really like to eat

Anyone who keeps a bird feeder has likely had the same uneasy thought after seeing a sudden blur of wings in the yard: What was that hawk doing here?

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Phys.org / Underground lab clears crucial hurdle for dark matter hunt

Australia's bid to detect elusive dark matter has taken a major step forward, with new research confirming that cosmic radiation levels deep inside the Stawell Underground Physics Laboratory (SUPL) are low enough to support ...

1 hour ago
Phys.org / New evidence challenges assumptions of mass feasting at ancient Mongolian burial mounds

Khirigsuurs are Late Bronze Age monuments found across Mongolia and parts of southern Siberia. They are typically thought to be burial monuments or ritual spaces, consisting of a burial mound surrounded by satellite features ...

4 hours ago
Phys.org / Cosmologists collaborate to sharpen measurements of the Hubble constant

Drawing together leading experts from across the field, an international collaboration of cosmologists has created a unified approach for measuring the value of the Hubble constant. Published in Astronomy & Astrophysics, ...

5 hours ago
Phys.org / DNA-binding protein blocks virulence cascade in a diarrhea pathogen outside hosts, study finds

Some pathogens use temperature as a trigger and activate virulence only after entering the warmer environment of a host. A research team from Ruhr University Bochum, Germany, and the University of Münster, Germany, investigated ...

1 hour ago
Phys.org / Ytterbium atomic clock could open a new window on fundamental physics

For the first time, an international team of physicists has successfully harnessed a rare orbital transition in atoms of ytterbium to create a new type of atomic clock that is both highly precise and extremely sensitive to ...

3 hours ago
Phys.org / Software package makes gene regulation easier to study—and tweak

Understanding how genes are switched on and off in specific cell types remains one of biology's central challenges. While AI has made major progress in decoding the regulatory logic of DNA, applying these approaches across ...

2 hours ago
Phys.org / AI turns electron microscopy into materials insights in minutes

An electron microscopy image can capture atoms arranged in a crystal lattice or defects threading through a semiconductor material, but turning that image into materials insight can take weeks of careful analysis. Now, an ...

2 hours ago
Phys.org / New disk-shaped catalyst turns carbon dioxide into methanol at lower temperatures

Low-temperature CO2 hydrogenation might have sounded almost paradoxical until a recent study made it possible. Researchers have designed new catalysts that can transform the greenhouse gas into methanol at temperatures ranging ...

4 hours ago