Phys.org news

Phys.org / RNA droplets may have helped start life on Earth

It's one of the origins-of-life chicken-or-egg problems: How could RNA have helped give rise to the first cells before there were cells to contain it?

17 hours ago
Phys.org / Messy life-producing cellular process caught in action for first time

All living things have a fleet of tiny copy machines that turn instructions from DNA into RNA molecules responsible for helping build proteins that keep organisms alive. One of those nanoscale machines, called eukaryotic ...

8 hours ago
Phys.org / Natural forest regrowth offers a lower-cost path to climate and biodiversity goals

As nations race to restore ecosystems and curb climate change, research has shown that letting nature do the work is a cost-effective, viable solution. A study from the University of Queensland and the University of Newcastle ...

8 hours ago
Phys.org / Dynamics of the Icelandic ice sheet altered North Atlantic seawater chemistry, environmental physicists reveal

Over the past 230,000 years, the growth and retreat of the Icelandic ice sheet have led to major changes in the seawater chemistry of the North Atlantic, caused by the interaction between volcanism and ice in Iceland. Scientists ...

9 hours ago
Phys.org / Magnetically levitated quantum bit could address design flaws

Researchers at the FAMU-FSU College of Engineering and the National High Magnetic Field Laboratory, headquartered at Florida State University, have designed a new quantum computing architecture that uses magnetic levitation ...

9 hours ago
Phys.org / Intense light bent out of shape—ultrafast lenses made from gas

Researchers from the MPIK in Heidelberg used an atomic gas as a time-dependent lens to shape and spectrally manipulate intense high-frequency laser pulses. This gas-based optical element could pave the way toward better XUV- ...

8 hours ago
Phys.org / AI boosts sensitivity to double-Higgs signatures occurring about once per trillion collisions

Is the universe as stable as we think it is? That's one of the big questions that particle physicists worldwide are preparing to answer with the Large Hadron Collider, or LHC—the world's most powerful particle accelerator—when ...

9 hours ago
Phys.org / ALMA uncovers sulfur for the first time around a rare class of supergiant star

Astronomers have discovered a chemically rich collection of sulfur-bearing molecules surrounding the rare massive star HD 87643. The observations include the first detection of sulfur monoxide and sulfur dioxide around a ...

17 hours ago
Phys.org / Hypersonic impact rapidly transforms diamond into graphite, revealing energy-absorbing mechanism

Rice University researchers have developed a way to stabilize diamond during high-temperature and low-pressure processing, creating a strong bulk composite and discovering that high-speed collisions can rapidly transform ...

10 hours ago
Phys.org / 'Shaking up' biofilm research: Active topography reduces bacterial infections

The use of antibiotics has traditionally been considered the gold standard in bacterial infection control—the more bacterial cells you kill, and the faster you kill them, the better. University of Tennessee, Knoxville Professor ...

11 hours ago
Phys.org / Alternative mRNA modification lets ribosomes move nearly twice as fast

In a new study, scientists from Johns Hopkins Medicine report that an experimental mRNA-based platform has the potential to help deliver next-generation mRNA therapeutics, including vaccines to fight infectious diseases, ...

10 hours ago
Phys.org / New measurements explain how silicon and diamond achieve extreme reversible stretching

A research team led by Yang Lu from the Department of Mechanical Engineering at the Faculty of Engineering, The University of Hong Kong (HKU), has uncovered the microscopic physical nature of ultralarge elasticity in covalent ...

10 hours ago