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Phys.org / Salt may have pushed us further into Snowball Earth 700 million years ago

Our planet plunged into one of the most dramatic climate states in its long history, approximately 720–635 million years ago. During a period geologists call Snowball Earth, ice sheets crept from the poles all the way to ...

38 minutes ago
Medical Xpress / Cheek cells may provide clues to schizophrenia risk

A simple cheek swab could one day provide a quick and noninvasive diagnostic test for schizophrenia. A new study published in Science Advances has identified higher levels of two biological markers in the cheek swabs of patients ...

58 minutes ago
Medical Xpress / New study shows how sickle cell affects brain function

Sickle cell disease is often thought of solely as a blood disorder, but new research from the Wood Neuro Research Group provides measurable evidence that it can reshape how brain networks function. Previous neuroimaging studies ...

38 minutes ago
Medical Xpress / Intracellular signaling proteins emerge as a key target in drug development

In a recently published review, a research team led by MedUni Vienna has highlighted a promising new approach to drug discovery. The focus is on the targeted modulation of certain intracellular signaling proteins as a strategy ...

18 minutes ago
Phys.org / Largest known Mesozoic crocodyliform egg clutch discovered in Brazil

In a study published in the Journal of Vertebrate Paleontology, researchers Dr. Giovanna M. X. Paixão and her colleagues analyzed the fossilized remains of three Upper Cretaceous egg clutches. One of these clutches, totaling ...

1 hour ago
Phys.org / Stars like our sun may maintain the same rotation pattern for life, contrary to 45 years of theoretical predictions

Researchers at Nagoya University in Japan have conducted the most detailed simulation of the interior of stars and disproved a theory scientists have believed for 45 years: that stars switch their rotation patterns as they ...

1 hour ago
Medical Xpress / How do GLP-1 agonists affect gene expression?

GLP-1s are building a reputation as "wonder drugs." First characterized for their ability to improve insulin release and treat diabetes, the drugs were later found to promote weight loss and improve cardiovascular health. ...

1 hour ago
Medical Xpress / Three distinct ADHD biotypes identified using a novel brain-first, data-driven approach

Attention-deficit/hyperactivity disorder or ADHD translates in different ways across the population, unlike the overgeneralized version presented on social media. A recent study further solidified this idea by identifying ...

2 hours ago
Phys.org / Many scientists now use AI but fail to disclose it, study finds

When scientists employ generative AI tools like ChatGPT to help with tasks such as editing and translation for their academic writing, many journals now ask them to disclose this assistance. The rules are intended to maintain ...

2 hours ago
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 ...

4 hours ago
Phys.org / What's inside neutron stars? New model could sharpen gravitational-wave 'tide' clues

Neutron stars harbor some of the most extreme environments in the universe: their densities soar to several times those of atomic nuclei, and they possess some of the strongest gravitational fields of any known objects, surpassed ...

2 hours ago
Medical Xpress / Substance use on the rise among Gen Z in their early 20s

Around seven in 10 (68%) young adults who are part of generation Z report binge drinking in the past year, with almost a third (29%) regularly consuming six or more alcoholic drinks in one sitting, according to new UCL research.

1 hour ago