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Phys.org / How oxygen enriched Earth's atmosphere 2.5 billion years ago

Cyanobacteria, as they still exist today, were the first organisms to carry out photosynthesis and release oxygen. Produced in primeval oceans about 2.5 billion years ago, this oxygen accumulated in Earth's atmosphere on ...

Feb 26, 2026 in Earth
Phys.org / Electrical control of magnetism in 2D materials promises to advance spintronics

Conventional electronics process information leveraging the electrical charge of electrons. Over the past few decades, some electronics engineers have been exploring the potential of a different type of device that instead ...

Feb 24, 2026 in Physics
Medical Xpress / Patients want bigger benefits from statins before they consider taking them, finds new study

Heart disease remains one of the leading causes of death worldwide. To lower this risk, doctors prescribe statin drugs that reduce low-density lipoprotein (LDL) cholesterol, the type that can accumulate in the arteries and ...

Feb 22, 2026 in Medications
Phys.org / Turning over a new leaf in analyses of natural products

Scientists have developed a new way to help understand what happens in the body when people consume a plant product and the many chemicals it contains. The Journal of Natural Products published the method to quickly analyze ...

Feb 26, 2026 in Chemistry
Phys.org / Undergrads expand the chemical toolbox for cancer drugs

Thanks to modern therapies, a cancer diagnosis is no longer an automatic death sentence. But many patients still suffer from unwanted side effects and limited efficacy. In a recent Bioconjugate Chemistry publication, William ...

Feb 26, 2026 in Chemistry
Phys.org / Quantum algorithm beats classical tools on complement sampling tasks

Quantum computers—devices that process information using quantum mechanical effects—have long been expected to outperform classical systems on certain tasks. Over the past few decades, researchers have worked to rigorously ...

Feb 23, 2026 in Physics
Phys.org / NASA revamps Artemis moon landing program by modeling it after speedy Apollo

NASA said Friday it's revamping its Artemis moon exploration program to make it more like the fast-paced Apollo program half a century ago, adding an extra practice flight before attempting a high-risk lunar landing with ...

Feb 27, 2026 in Astronomy & Space
Medical Xpress / More sensitive HIT cell therapy shows promise against solid cancers

CAR T cell therapy has revolutionized the treatment of many blood cancers, but has shown little success against solid tumors, which account for over 85% of all cancers. Columbia researchers have now found that a new type ...

Feb 26, 2026 in Immunology
Tech Xplore / Quantum materials could enable the solar-powered production of hydrogen from water

Hydrogen fuel is a promising alternative to fossil fuels that only emits water vapor when used and could thus help to lower greenhouse gas emissions on Earth. In the future, it could potentially be used to fuel heavy-duty ...

Feb 22, 2026 in Energy & Green Tech
Tech Xplore / Protecting perovskite solar cells against environmental influences with light-switchable molecules

A team from the University of Stuttgart, together with international researchers, has succeeded in enhancing both the efficiency and environmental resilience of perovskite solar cells. This is another important step toward ...

Feb 26, 2026 in Engineering
Medical Xpress / New atlas maps how aging reshapes cells across the entire mammalian body

As we age with each passing year, we become more susceptible to chronic diseases like cancer, heart disease, and dementia. Scientists have long focused on fighting these conditions one at a time. Recently, however, many have ...

Feb 26, 2026 in Gerontology & Geriatrics
Medical Xpress / Study suggests one common amino acid may affect how long men live

A large new study suggests that higher levels of a common amino acid called tyrosine may be linked to a shorter lifespan in men.

Feb 27, 2026 in Endocrinology & Metabolism