World news

Results: 32792
arrow_upward arrow_downward

Research finds tiny bubbles tell tales of big volcanic eruptions

EurekAlert   -   Scientific News Websites

Microscopic bubbles can tell stories about Earth's biggest volcanic eruptions and geoscientists from Rice University and the University of Texas at Austin have discovered some of those stories are written in nanoparticles.

Jan 19, 2021

Fishing out the bad apples: Novel quantitative method to assess the safety of food

EurekAlert   -   Scientific News Websites

Histamine is a dangerous compound that occurs in spoiled food, such as mackerel, left at room temperature for too long. Unfortunately, existing histamine detection methods are inconvenient and expensive. To tackle this issue, a team of scientists ...

Jan 19, 2021

Ultra-small nanomedicines which stably deliver oligonucleotides to refractory cancers

EurekAlert   -   Scientific News Websites

Ultra-small nanomedicines with a size of ca. 18 nm were fabricated by dynamic ion-pairing between Y-shaped block copolymers and oligonucleotide drugs. Chemically modified and double-stranded oligonucleotides dramatically enhanced the stability of ...

Jan 19, 2021

Nano-thin piezoelectrics advance self-powered electronics

EurekAlert   -   Scientific News Websites

Researchers develop a flexible, printable and nano-thin material that can convert mechanical pressure into electrical energy. It's 800% more efficient than other piezoelectrics based on similar non-toxic materials. A significant step towards ...

Jan 19, 2021

Scientists may have found the background ripples of the universe

Engadget   -   General News Websites

Scientists may have identified the gravitational waves that make up some of the universe’s background, not just those coming from unusual events like black hole collisions.

Jan 18, 2021

Interstellar chemistry: low-temperature gas-phase formation of indene in the interstellar medium

Phys.org   -   Scientific News Websites

The interstellar medium and combustion systems contain polycyclic aromatic hydrocarbons (PAHs) as fundamental molecular building blocks that form fullerenes and carbonaceous nanostructures. However, researchers have yet to investigate and understa...

Jan 18, 2021

Using Nanodiamond Sensors to Measure the Thermal Conductivity Inside Living Cells

AZoNano   -   Nanotechnology Websites

A team of scientists from Osaka University, The University of Queensland, and the National University of Singapore's Faculty of Engineering used tiny nanodiamonds coated with a heat-releasing polymer to probe the thermal properties of cells.

Jan 18, 2021

Sculpted Light Controls Chemical Catalysts

Photonics Media   -   Scientific News Websites

Material scientists at Stanford University have developed a method to exert control over catalysts using light and advanced fabrication and characterization techniques. The work could be an early step toward more efficient catalysts, new forms of ...

Jan 18, 2021

Researchers realize strong coupling of single quantum dots with low/high-refractive-index materials at room temperature

Nanowerk   -   Nanotechnology Websites

Researchers have reported for the first time the strong coupling and Rabi splitting between a single colloidal quantum dot and a Fabry-Perot cavity with dielectric low-refractive-index/high-refractive-index material based on photoluminescence spec...

Jan 18, 2021

One-dimensional quantum nanowires fertile ground for Majorana zero modes

Nanowerk   -   Nanotechnology Websites

A new study overcomes previous difficulty detecting the Majorana zero mode, and produces a significant improvement in device reproducibility.

Jan 18, 2021

REFINE