Sentences with phrase «how chemicals change»

Not exact matches

«Love» may be a chemical reaction in my brain, but it doesn't change how it feels when I do.
Your «spirituality» can change on a dime btw... a head wound, or chemical change in your brain will change how your universe appears... «pseudo-intellectual empirical nonsense»?
How this metamorphosis takes place; how a force existing as motion, heat, or light can become a mode of consciousness; how it is possible for aerial vibrations to generate the sensation we call sound, or for the forces liberated by chemical changes in the brain to give rise to emotion, — these are mysteries which it is impossible to fathHow this metamorphosis takes place; how a force existing as motion, heat, or light can become a mode of consciousness; how it is possible for aerial vibrations to generate the sensation we call sound, or for the forces liberated by chemical changes in the brain to give rise to emotion, — these are mysteries which it is impossible to fathhow a force existing as motion, heat, or light can become a mode of consciousness; how it is possible for aerial vibrations to generate the sensation we call sound, or for the forces liberated by chemical changes in the brain to give rise to emotion, — these are mysteries which it is impossible to fathhow it is possible for aerial vibrations to generate the sensation we call sound, or for the forces liberated by chemical changes in the brain to give rise to emotion, — these are mysteries which it is impossible to fathom.
Most importantly, how the individual ingredient's physio - chemical aspects interact in the system and change overtime.
Changes in the brain's chemicals can also affect how a person feels.
Meanwhile, the new study suggests the effect will intensify in the future with continued climate change, based on computer models that attempt to project how rising temperatures would affect the Arctic's chemical reservoirs.
And that's completely changed — I think now there's this huge sense that we are really going to make this work, and we're going to figure out how to actually study the atmospheres of these planets that we're detecting and look for the chemical signatures of biological activity.
In addition, researchers replicated the conditions under which the fossils formed to identify the chemical alteration of melanin, subjecting modern feathers to high temperatures and pressures to better understand how chemical signatures changed during millions of years of burial.
The ability to make and study cubic ice in the laboratory could improve computer models of how clouds interact with sunlight and the atmosphere — two keys to understanding climate change, said Barbara Wyslouzil, project leader and professor of chemical and biomolecular engineering at The Ohio State University.
«This is the first study, to our knowledge, that demonstrates the mechanical continuity, strain transfer, and conformational changes that result from chemical energy release from the atomic scale up through the whole - cell level, as well as how tensegrity guides those changes to drive cellular movement,» says Ingber.
Now, a 15 - year, 30 - nation research collective called Geotraces is embarking on an ambitious global survey of ocean chemistry to quantify trace elements and shed light on how chemical concentrations fluctuate in response to changing environmental conditions.
Stress is thought to cause «epigenetic» changes to genes, which do not alter the sequence of their DNA but instead leave chemical marks that dictate how active genes are.
Jennifer Barone wrote about how plants detect and respond to changes in the world around them and even communicate with their neighbors through chemical signals.
Researchers used a variety of methods to demonstrate that reducing adenosine or blocking the A1 adenosine receptor that is essential to the chemical messenger's function changed how adult mice responded to sound.
Stellar dating involves measuring properties such as mass, chemical composition and temperature, and comparing them with models of how those properties should change over time for a particular type of star.
Instead, the changes happen to certain chemical markers on the DNA that control how much any particular gene is expressed.
Molecular movies reveal how chemical bonds form and break; ultrafast snapshots capture electric charges as they rapidly rearrange in materials and change their properties; and sharp 3 - D images of disease - related proteins provide atomic - level details that could hold the key for discovering potential cures.
William Ristenpart, a chemical engineer at the University of California at Davis, was studying how the shape of a water column in oil changed as it was drawn towards an electrically charged plate.
Weston says switching to another chemical is not the solution: he believes people need to fundamentally change how they use pesticides.
He hopes in time to be able to anticipate how future chemical variations on the cathinone theme will change the way these drugs act on the brain.
A multicenter team of researchers reports that a full genomic analysis of tumor samples from a small number of people who died of pancreatic cancer suggests that chemical changes to DNA that do not affect the DNA sequence itself yet control how it operates confer survival advantages on subsets of pancreatic cancer cells.
Downs said he will focus his next studies to look at how climate change - imposed factors, such as rising sea temperatures, will amplify these chemicals» effects.
By looking at how concentrations of chemical elements in the sediment change with depth, the researchers can develop a continuous record of how much surface runoff poured into the lake.
The chemistry in the growth rings in the shells of the clam — which occur much like the annual growth rings in the centre of trees — can act as a proxy for the chemical make - up of the oceans, enabling researchers to reconstruct a history of how the oceans have changed over the past 1000 years with unprecedented dating precision.
Knowing how the internal and surface structure of a battery material changes over a wide range of chemical compositions will aid future studies on cathode transformations and could also lead to the development of new battery materials.
«We need to know more about how synthetic chemicals are altering ecosystems and interacting with other drivers of global change,» Bernhardt said.
Better understanding the chemical composition and transport within the chimney, however, could greatly advance our knowledge of the atmosphere and how it may respond to a changing climate.
To see how angelfish behavior changed when those chemical signals were diluted by routine water changes, researchers replaced up to half of the water in tanks holding three angelfish.
Bacteria can also change how the central nervous system uses these chemicals.
As Dr. Mackey cited in the published article Sea Change: UCI oceanographer studies effects of global climate fluctuations on aquatic ecosystems: «They would tell us about upwelling and how the ocean wasn't just this one big, homogenous bathtub, that there were different water masses, and they had different chemical properties that influenced what grew there,» she recalls.
Epigenetic modifications are chemical changes to DNA that affect how genes are regulated.
In the process, the students learned how chemical reactions in humans and other animals result in matter and energy changes.
Now plant biologists and immunologists at York have joined forces to examine a very closely related family of these small molecules (flavonoids) to establish how tiny changes to their chemical structures affect their bio-activity.
Since cocaine changes the level of the brain chemical dopamine, this new study may have implications for other mental illnesses such as depression and schizophrenia — where dopamine may also be involved in how we recognise emotions.
Along with data from the few studies like Yokelson's, Wiedinmyer used guidelines for calculating trash burning emissions produced by the Intergovernmental Panel on Climate Change to determine how much waste was being generated and burned, what exactly was in that waste, and what types of chemicals were likely generated.
Their research advances the understanding of how these materials can be manipulated without having to discover new materials, change the chemical concentration or apply external magnetic fields.
Feel - good chemicals had flooded his bloodstream, changing how he felt about a stranger over the internet.
Birch showed how the stiffness of rocks changes under the extreme conditions of pressure and temperature deep within planets, as well as with chemical composition.
They produced the first report of the EcPlt's active form inside human cells, describing how the chemical environment inside the cell caused the protein to change shape and activate.
Curiosity is climbing a layered Martian mountain and finding chemical evidence of how ancient lakes and wet underground environments changed, billions of years ago, in ways that affected their potential favorability for microbial life.
Now one team, reporting in the journal ACS Chemical Neuroscience, has identified how amyloid beta, the protein fragment strongly associated with Alzheimer's disease, can induce cellular changes that might lead to Parkinson's.
Wu says these changes in number of neurotransmitter release sites account for how the neurons are able to adjust over time using a system for sleep drive that works over a period of hours, rather than minutes, like the known sleep - promoting chemicals.
Alexander F. Goncharov's analyzes materials under extreme conditions such as high pressure and temperature using optical spectroscopy and other techniques to understand how matter fundamentally changes, the chemical processes occurring deep within planets, including Earth, and to understand and...
For example, drug researchers seek chemicals that disrupt or otherwise change how proteins interact to combat diseases; environmental scientists need to understand how proteins collaborate in ecosystems to make them thrive or fail.
They are working to understand how the aerosols change their physical properties when exposed to different environmental conditions and the ensuing chemical reactions.
The silicate + CO2 - > different silicate + carbonate chemical weathering rate tends to increase with temperature globally, and so is a negative feedback (but is too slow to damp out short term changes)-- but chemical weathering is also affected by vegetation, land area, and terrain (and minerology, though I'm not sure how much that varies among entire mountain ranges or climate zones)-- ie mountanous regions which are in the vicinity of a warm rainy climate are ideal for enhancing chemical weathering (see Appalachians in the Paleozoic, more recently the Himalayas).
«We are interested in understanding how sunlight affects the chemical composition of organic particles,» said Dr. Adam Bateman, who worked on this and other global change studies.
A mesocosm experiment by scientists from GEOMAR Helmholtz Centre for Ocean Research Kiel, Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research Bremerhaven (AWI) and the Institute for Baltic Sea Research Warnemünde (IOW) reveals for the first time how ocean change might affect the special physical, chemical and biological characteristics of the ocean's uppermost boundary.
For instance, Suvorov wonders if exposures to such chemicals might slightly change how people interact.
To be able to follow and directly visualize how the structure of molecules changes when they undergo complex chemical transformations has been a long - standing goal of chemistry.
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