All News

Phys.org / New algorithm approach paves the way for larger, more complex metalenses

Compact and lightweight metasurfaces—which use specifically designed and patterned nanostructures on a flat surface to focus, shape and control light—are a promising technology for wearable applications, especially virtual ...

10 hours ago in Physics
Medical Xpress / Chemists skew the odds to prevent cancer

The path to cancer prevention is long and arduous for legions of researchers, but new work by Rice University scientists shows that there may be shortcuts.

9 hours ago in Oncology & Cancer
Phys.org / Marine ecologists warn of coral extinction by the end of the century

Vibrant coral reefs teeming with marine life are diminishing throughout the Caribbean as global temperatures rise. Coral reefs are habitats that support the seafood industry, are barriers for coastal communities from storms, ...

10 hours ago in Biology
Medical Xpress / Type-I interferon stops immune system from 'going rogue' during viral infections

McMaster University researchers have found not only how some viral infections cause severe tissue damage, but also how to reduce that damage.

Phys.org / Existing oil, gas and coal extraction sites need to be closed down to stay within 1.5 C, findings show

Ceasing new oil, gas, and coal development is not enough—already built extraction facilities must be prematurely decommissioned—warns a new study released today in Environmental Research Letters.

18 hours ago in Earth
Phys.org / Rocket engine exhaust pollution extends high into Earth's atmosphere

Reusable space technology has led to a rise in space transportation at a lower cost, as popularized by commercial spaceflights of companies like SpaceX and Virgin Galactic. What is poorly understood, however, is rockets' ...

16 hours ago in Physics
Phys.org / First animals developed complex ecosystems before the Cambrian explosion

Early animals formed complex ecological communities more than 550 million years ago, setting the evolutionary stage for the Cambrian explosion, according to a study by Rebecca Eden, Emily Mitchell, and colleagues at the University ...

13 hours ago in Biology
Phys.org / New metasurface-based device creates different images depending on light and environmental conditions

Researchers have developed a new metasurface-based device that can produce multiple distinct holographic images depending on the surrounding medium and the wavelength of light used. The ability to store information that is ...

12 hours ago in Physics
Medical Xpress / Experimental ALS drug may be more effective than existing ones

New research on the experimental drug NU-9, invented and developed by two Northwestern University scientists to treat ALS (amyotrophic lateral sclerosis), shows it is more effective than existing FDA-approved drugs for the ...

12 hours ago in Medications
Phys.org / Organic polymeric scintillators excite the X-ray community

X-ray detection is of great importance in diverse applications, such as radiation detection, medical diagnosis, and security inspection. A popular way to achieve X-ray detection is to integrate a photodetector with a luminescent ...

12 hours ago in Chemistry
Medical Xpress / Alternative to open heart surgery just as effective for patients with common heart condition

A study led by researchers at the National Institute for Health and Care Research (NIHR) Leicester Biomedical Research Centre has shown that a less invasive heart procedure for a common condition is just as effective as conventional ...

14 hours ago in Cardiology
Medical Xpress / mRNA vaccines like Pfizer and Moderna fare better against COVID-19 variants of concern

A comparison of four COVID-19 vaccinations shows that messenger RNA (mRNA) vaccines from Pfizer-BioNTech and Moderna perform better against the World Health Organization's variants of concern (VOCs) than viral vector vaccines ...