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Radioisotope generators − inside the ‘nuclear batteries’ that power faraway spacecraft
(The Conversation USA)
Created on 14 March 2025
... in your TV remote, RTGs can provide power for decades while hundreds of millions to billions of miles from Earth. Nuclear power Radioisotope thermoelectric generators do not rely on chemical reactions ...
Enzymes are the engines of life − machine learning tools could help scientists design new ones to tackle disease and climate change
(The Conversation USA)
Created on 14 February 2025
Enzymes have complicated molecular structures that are hard to replicate.Design Cells/iStock via Getty Images PlusEnzymes are molecular machines that carry out the chemical reactions that sustain all life, ...
Bogus scientific papers are enriching fraudsters and slowing lifesaving medical research
(The Conversation USA)
Created on 01 February 2025
... Wayne State University was confused. The oncologist was studying a sequence of chemical reactions in cells to see whether they could be a target for drugs against prostate cancer. A paper from 2018 in ...
Bennu asteroid reveals its contents to scientists − and clues to how the building blocks of life on Earth may have been seeded
(The Conversation USA)
Created on 30 January 2025
... over time, becoming more sodium-rich. This briny water would have been an ideal place for new chemical reactions to take place and for organic molecules to form. While our team characterized salts, ...
Fake papers are contaminating the world’s scientific literature, fueling a corrupt industry and slowing legitimate lifesaving medical research
(The Conversation USA)
Created on 30 January 2025
... a sequence of chemical reactions in cells to see if they could be a target for drugs against prostate cancer. A paper from 2018 from 2018 in the American Journal of Cancer Research piqued his interest ...
Electrolyte beverages can help your body stay balanced − but may worsen symptoms if you’re sick
(The Conversation USA)
Created on 22 January 2025
... having an electrical charge when dissolved in water. This charge allows them to work throughout the body in chemical reactions that maintain normal brain functioning, balance fluids inside and outside ...
Why is obesity linked to irregular heart rhythms? Researchers found 1 potential mechanism
(The Conversation USA)
Created on 22 January 2025
... This in turn changes your metabolism, or the chemical reactions that allow the body to function. In particular, the increased presence of fatty acids, a hallmark of obesity, puts additional strain on ...
Microbes can colonize space, produce drugs and create energy − researchers are simulating their inner workings to harness how
(The Conversation USA)
Created on 07 January 2025
Genome-scale metabolic models capture the complex chemical reactions that allow cells to function.Yuri Arcurs/iStock via Getty Images PlusAfter so many years learning how microbes work, researchers are ...
Brain inflammation may be the reason behind muscle fatigue after infection and injury
(The Conversation USA)
Created on 14 December 2024
... e the immune system – that are released into the body. When these cytokines travel to muscles, they activate a series of chemical reactions that disrupts the ability of the powerhouse of cells &ndas ...
We developed a way to use light to dismantle PFAS ‘forever chemicals’ – long-lasting environmental pollutants
(The Conversation USA)
Created on 14 December 2024
... our team has developed uses a purely organic photocatalyst. A photocatalyst is a substance that speeds up a chemical reaction using light, without being consumed in the process. Our system harnesses energy ...
Extraterrestrial life may look nothing like life on Earth − so astrobiologists are coming up with a framework to study how complex systems evolve
(The Conversation USA)
Created on 07 December 2024
... life as a “self-sustaining chemical reaction capable of Darwinian evolution.” That means organisms with a complex chemical system that evolve by adapting to their environment. Darwinian evolution ...
Meat has a distinct taste, texture and aroma − a biochemist explains how plant-based alternatives mimic the real thing
(The Conversation USA)
Created on 26 November 2024
... the texture is essential, meat also has a distinctive savory and umami flavor. A set of chemical reactions called Maillard browning helps develop the complex, rich flavor profiles of animal meats while ...
Saltwater flooding is a serious fire threat for EVs and other devices with lithium-ion batteries
(The Conversation USA)
Created on 16 November 2024
... is marked negative (-). When the terminals are connected to a device that uses electricity to do work, such as a light bulb, chemical reactions occur inside the battery that cause electrons to flow from ...
Tiny airborne particles within air pollution could be a silent killer – new study uncovers hidden risks and reveals who’s most at risk in New York state
(The Conversation USA)
Created on 24 October 2024
... and human activity – primarily from combustion processes such as motor vehicles, power plants, wood burning and wildfires. A large share of ultrafine particles is created by chemical reactions in ...
Rain may have helped form the first cells, kick-starting life as we know it
(The Conversation USA)
Created on 15 October 2024
... these protocells would have gradually evolved the ability to replicate and execute metabolic processes. Certain conditions are necessary for essential chemical reactions to occur, such as a steady energy ...
Machine learning cracked the protein-folding problem and won the 2024 Nobel Prize in chemistry
(The Conversation USA)
Created on 10 October 2024
Protein molecules can have complicated structures that dictate their functions.Christoph Burgstedt/Science Photo Library via Getty ImagesThe 2024 Nobel Prize in chemistry recognized Demis Hassabis, John ...
Many stable atoms have ‘magic numbers’ of protons and neutrons − 75 years ago, 2 physicists discovered their special properties
(The Conversation USA)
Created on 08 October 2024
... Chemical reactions result from interactions between the electrons in two atoms. In Bohr’s model, if an electron orbit is not already filled, then it’s easier for the atoms to exchange or share ...
Nuclear rockets could travel to Mars in half the time − but designing the reactors that would power them isn’t easy
(The Conversation USA)
Created on 04 October 2024
... in designing the nuclear thermal propulsion engine that will take a crewed mission to Mars. Nuclear versus chemical propulsion Conventional chemical propulsion systems use a chemical reaction involving ...
An Overview of Stainless-Steel Grades: What Melbourne Buyers Need to Know
(Business News)
Created on 23 September 2024
... ly done without creating any chemical reaction that might threaten the steel. Temperature Industrial changes of industrial temperature also affect stainless steel, and proper care also needs to be obser ...
Tiny robots and AI algorithms could help to craft material solutions for cleaner environments
(The Conversation USA)
Created on 17 September 2024
... is a class of materials called photocatalysts. When triggered by light, these materials undergo chemical reactions that initial studies have shown can break down common toxic pollutants. I am a materials ...