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Medical Xpress / New body index aims to move beyond BMI and works for babies too

Body Mass Index (BMI) has long been used in public health and clinical settings as a simple tool to classify an individual's physical status based on their height and weight. Originally developed in the 1830s by Belgian mathematician ...

20 hours ago
Phys.org / Underwater oxygen loss threatens earth's stability, researchers warn

A new review in Limnology and Oceanography led by scientists at UC San Diego's Scripps Institution of Oceanography warns that the rapid loss of oxygen from the ocean and other aquatic ecosystems is pushing Earth toward an ...

13 hours ago
Phys.org / South African genomics projects direct 10% of budgets to community-chosen benefits

South Africa is pioneering new ways to embed ethical benefit sharing in genomics research through community-led decision-making. Speaking at the World Congress of Bioethics (WCB) in Johannesburg on 8–10 July, Ngoni Ngwarai, ...

5 hours ago
Phys.org / Researchers identify class of 'oddball' meteorite that killed the dinosaurs

A rare CO chondrite meteorite was the probable impacter that struck Earth 66 million years ago, wiping out 75% of Earth's species, including nonavian dinosaurs. These findings are published in Science Advances. Researchers ...

14 hours ago
Phys.org / Reptile fossil found in Brazil helps shed light on the common origins of dinosaurs and crocodiles

Long before dinosaurs ruled the continents and modern crocodiles first appeared, their ancestors were already going through a decisive phase in their evolutionary history. It was in this ancient world, shortly after the greatest ...

16 hours ago
Phys.org / New optical chip design controls light speed in real time, simulations suggest

Seoul National University College of Engineering announced that a joint research team led by Professor Namkyoo Park and Professor Sunkyu Yu of the Department of Electrical and Computer Engineering at SNU, in collaboration ...

13 hours ago
Phys.org / A source of extremely high-energy particles in the Milky Way identified

Cosmic rays are made primarily of protons with a few electrons sprinkled in, and they can reach energies even higher than what human-made accelerators can produce. Considering human-made accelerators, such as the Large Hadron ...

17 hours ago
Phys.org / Researchers create strong 'super silk' that maintains shape after wetting

Painstakingly woven from the cocoons of silkworms, silk has been valued for more than 4,000 years as a luxury material. More than just beautiful, silk is also lightweight, strong and biocompatible, allowing it to be used ...

6 hours ago
Phys.org / Amazon soy pact collapse could add 1.4 million hectares of deforestation by 2036

The collapse of a landmark Amazon soy pact will drive at least 1.4 million hectares (3.5 million acres) of extra deforestation in Brazil over the next decade, releasing carbon emissions equal to Canada's annual output, according ...

12 hours ago
Medical Xpress / Aussie supermarkets failing to help us eat a healthier diet

New research presented at this year's International Congress on Obesity (ICO2026), hosted by the World Obesity Federation (WOF) in Mexico City, Mexico (July 15–17), reveals that few of the world's 21 largest food retailers ...

6 hours ago
Medical Xpress / LIG1 loss exposes a therapeutic vulnerability in triple-negative breast cancer

Loss of one copy of the DNA ligase I (LIG1) gene in triple-negative breast cancers (TNBC) with TP53 mutations confers resistance to chemotherapy, but researchers at Baylor College of Medicine and collaborating institutions ...

7 hours ago
Medical Xpress / New imaging method tracks cancer from whole body to individual cells

One of the biggest challenges in cancer research has been linking the "big picture" seen in medical scans with the microscopic biology that drives tumor growth and dictates how patients respond to treatment. Now, by combining ...

12 hours ago