Showing 20 articles starting at article 521

< Previous 20 articles        Next 20 articles >

Categories: Chemistry: Inorganic Chemistry, Ecology: Nature

Return to the site home page

Chemistry: General Chemistry: Inorganic Chemistry Chemistry: Thermodynamics Physics: Optics
Published

Using light to produce medication and plastics more efficiently      (via sciencedaily.com)     Original source 

Anyone who wants to produce medication, plastics or fertilizer using conventional methods needs heat for chemical reactions -- but not so with photochemistry, where light provides the energy. The process to achieve the desired product also often takes fewer intermediate steps. Researchers are now going one step further and are demonstrating how the energy efficiency of photochemical reactions can be increased tenfold. More sustainable and cost-effective applications are now tantalizingly close.

Biology: Marine Biology: Zoology Ecology: Animals Ecology: Nature Ecology: Sea Life Environmental: General Geoscience: Environmental Issues Geoscience: Geography
Published

Fish species that move rapidly toward the poles due to global warming decline in abundance, study finds      (via sciencedaily.com)     Original source 

A new study has found a decline in the abundance of marine fish species that move rapidly toward the poles to escape rising sea temperatures. The researchers explain that many animal species are currently moving toward cooler regions as a result of global warming, but the velocity of such range shifts varies greatly for different species. Examining thousands of populations from almost 150 fish species, the researchers show that contrary to the prevailing view, rapid range shifts coincide with widescale population declines.

Biology: Biochemistry Biology: Evolutionary Biology: General Biology: Zoology Ecology: Nature
Published

Scientists discover how Diadem butterfly mimics African Queen      (via sciencedaily.com)     Original source 

Scientists have discovered how female Diadem butterflies have evolved to look like African Queen butterflies to repel predators.

Biology: General Biology: Zoology Ecology: Nature Environmental: Biodiversity Environmental: Water Offbeat: Earth and Climate Offbeat: General Offbeat: Plants and Animals
Published

Eyes open and toes out of water: How a giant water bug reached the island of Cyprus      (via sciencedaily.com)     Original source 

A new visitor was reported on the coast of Cyprus, thanks to the growing power of citizen science. Researchers collected information and specimens through personal communication with amateur naturalists, but also through the internet, in order to compose the mosaic of repeated appearances of a giant water bug on the eastern shoreline of the island.

Chemistry: Inorganic Chemistry Chemistry: Thermodynamics Engineering: Robotics Research
Published

Advance for soft robotics manufacturing, design      (via sciencedaily.com)     Original source 

Engineers propose a new quantitative framework to account for and predict the impact of temperature on the curing speed of platinum-catalyzed silicone elastomers. The findings could maximize throughput and minimize waste in the manufacturing of components for soft robotics and wearables.

Biology: General Biology: Zoology Ecology: Animals Ecology: Nature Geoscience: Geography
Published

Global wildlife study during COVID-19 shows rural animals are more sensitive to human activity      (via sciencedaily.com)     Original source 

One of the largest studies on wildlife activity reveals that wild animals react differently to humans depending on where the animals live and what they eat. Bigger herbivores -- plant-eating animals like deer or moose -- tend to become more active when humans are around, while meat-eaters like wolves or wolverines tend to be less active, preferring to avoid risky encounters.

Chemistry: Inorganic Chemistry Physics: General
Published

Breakthrough in melting point prediction: Over 100-year-old physics problem solved      (via sciencedaily.com)     Original source 

Scientists propose a groundbreaking theory for predicting melting points. The theory offers a universal description of melting lines across various material types. This discovery has significant implications for materials science and related fields.

Biology: Botany Ecology: Invasive Species Ecology: Nature Ecology: Research Ecology: Trees Offbeat: General Offbeat: Plants and Animals
Published

Why do tree frogs lay their eggs on the ground?      (via sciencedaily.com)     Original source 

A curious aspect of tree frogs is that they often lay their eggs on the ground where the risk of predation by natural enemies is greater than in the trees where they live. A research team suggested that the reason for this behavior is to protect the eggs from low temperatures. Their findings highlight the challenge faced by tree frogs: Should they attempt to maintain an optimal temperature for their eggs or risk predation?

Biology: Biochemistry Biology: General Biology: Zoology Ecology: General Ecology: Nature Ecology: Research Environmental: Ecosystems Geoscience: Earth Science Geoscience: Geography
Published

Arctic nightlife: Seabird colony bursts with sound at night      (via sciencedaily.com)     Original source 

Acoustic recordings of a colony of little auks reveal their nocturnal activities and offer valuable monitoring means for avian biology in the Arctic.

Chemistry: Inorganic Chemistry Energy: Nuclear Physics: General Physics: Optics Physics: Quantum Physics
Published

Plasma oscillations propel breakthroughs in fusion energy      (via sciencedaily.com)     Original source 

Researchers have discovered a new class of plasma oscillations -- the back-and-forth, wave-like movement of electrons and ions. The research paves the way for improved particle accelerators and commercial fusion energy.

Chemistry: Inorganic Chemistry
Published

A theory linking ignition with flame provides roadmap to better combustion engines      (via sciencedaily.com)     Original source 

Researchers have theoretically linked ignition and deflagration in a combustion system, unlocking new configurations for stable, efficient combustion engines due to the possible existence of any number of steady-state solutions.

Chemistry: Biochemistry Chemistry: General Chemistry: Inorganic Chemistry Engineering: Graphene Physics: General
Published

A new world of 2D material is opening up      (via sciencedaily.com)     Original source 

Materials that are incredibly thin, only a few atoms thick, exhibit unique properties that make them appealing for energy storage, catalysis and water purification. Researchers have now developed a method that enables the synthesis of hundreds of new 2D materials.

Chemistry: Inorganic Chemistry Energy: Alternative Fuels Physics: Optics
Published

Perovskite solar cells: Vacuum process may offer a short track to commercialization      (via sciencedaily.com)     Original source 

Which process is best suited for mass production of perovskite solar cells? While solvent-based manufacturing processes are used in laboratories around the world, vacuum vapor-phase deposition processes are still the standard for the production of thin films for photovoltaics or organic light-emitting diodes. A new study that reveals major differences in the scientific discussion of these production processes.

Biology: Zoology Ecology: Animals Ecology: Extinction Ecology: Invasive Species Ecology: Nature Environmental: Ecosystems Environmental: General Geoscience: Earth Science Geoscience: Severe Weather
Published

Tropical birds could tolerate warming better than expected, study suggests      (via sciencedaily.com)     Original source 

We expect tropical animals to handle a certain degree of heat, but not wild swings in temperature. That seems to be true for tropical ectotherms, or 'cold-blooded' animals such as amphibians, reptiles, and insects. However, in a new study of 'warm-blooded' endotherms, a research team found tropical birds can handle thermal variation just fine.

Chemistry: Inorganic Chemistry Physics: Optics
Published

How to upcycle low-energy light      (via sciencedaily.com)     Original source 

To combine two low-energy photons into one high-energy photon efficiently, the energy must be able to hop freely, but not too quickly, between randomly oriented molecules of a solid. The discovery provides a much-needed design guideline for developing materials for more efficient PV cells, displays, or even anti-cancer therapies.

Chemistry: Inorganic Chemistry Engineering: Nanotechnology Physics: Optics
Published

New high-speed microscale 3D printing technique      (via sciencedaily.com)     Original source 

A new process for microscale 3D printing creates particles of nearly any shape for applications in medicine, manufacturing, research and more -- at the pace of up to 1 million particles a day.

Chemistry: Inorganic Chemistry Engineering: Robotics Research Offbeat: Computers and Math Offbeat: General
Published

You don't need glue to hold these materials together -- just electricity      (via sciencedaily.com)     Original source 

Is there a way to stick hard and soft materials together without any tape, glue or epoxy? A new study shows that applying a small voltage to certain objects forms chemical bonds that securely link the objects together. Reversing the direction of electron flow easily separates the two materials. This electro-adhesion effect could help create biohybrid robots, improve biomedical implants and enable new battery technologies.

Chemistry: Biochemistry Chemistry: Inorganic Chemistry Physics: General
Published

Scientists reveal the first unconventional superconductor that can be found in mineral form in nature      (via sciencedaily.com)     Original source 

Scientists have identified the first unconventional superconductor with a chemical composition also found in nature.

Biology: Biochemistry Biology: General Biology: Marine Biology: Zoology Ecology: Nature Ecology: Sea Life Geoscience: Environmental Issues Geoscience: Geography
Published

High resolution imagery advances the ability to monitor decadal changes in emperor penguin populations      (via sciencedaily.com)     Original source 

Emperor penguin populations have been exceedingly difficult to monitor because of their remote locations, and because individuals form breeding colonies on seasonal sea ice fastened to land (known as fast ice) during the dark and cold Antarctic winter. New research that incorporates very high-resolution satellite imagery with field-based validation surveys and long-term data has provided the first multi-year time series that documents emperor penguin global population trends.

Biology: Botany Ecology: Nature Ecology: Trees Environmental: Ecosystems Geoscience: Severe Weather
Published

Summer solstice triggers synchronized beech tree reproduction across Europe      (via sciencedaily.com)     Original source 

A new study has found that the summer solstice acts as a 'starting gun' to synchronize beech tree reproduction across vast distances in Europe, affecting ecosystem functions.