Sentences with phrase «chemical changes did»

Although small in scale, the study demonstrated that chemical changes did indeed occur in the brains of the fathers.

To find out if these chemical changes do indeed take place, the researchers first identified a group of engram cells in the hippocampus that, when activated using optogenetic tools, were able to express a memory.

Not exact matches

This is all down to chemicals like endorphins and dopamine, but as Greater Good goes on to explain, these changes in the brain don't just protect you from pain.

She did 24 %, as she accelerated a major strategic change — «and nobody likes change,» says a colleague — that downplayed chemicals and positioned agriculture and nutrition to power DuPont's third century.

Poltergeist, Richard did not deny that a religious experience could not cause changes in brain patterns complete with chemical reactions.

Just because someone said some magic words over water does not mean it somehow changed the water... it is still just water... a simple chemical compound with amazing characteristics... one of the reasons it was incorporated into your relgion is because it was realized that water is a key to life... not divinity.

What these drugs do is alter the chemical balance in the brain and change the way you think.

«Love» may be a chemical reaction in my brain, but it doesn't change how it feels when I do.

Is 2 hours okay, or is that enough time to change the chemical reactions amongst the ingredients And if the whipped cream is made ahead of time (as in this morning), do you recommend re-whipping it with a whisk or in the stand mixer?

Doesn't microwaving food destroy enzymes and cause dangerous chemical changes??

But unlike water, chemicals do not always require extreme conditions to change form.

Consider Juvederm, chemical peels and Fraxel lazer surgery if you want to experience dramatic changes in your skin and don't want to deal with a painful, extensive recovery time.

It doesn't leave a residue and is safe, chemical free and gentle enough to use with every diaper change.

Please keep in mind that commercial fabric softening products such as liquid Downy or Bounce sheets, do not soften your water or change the chemical properties of your water... they simply mask the problem of rough clothing, making your towels and other laundry more tolerably soft!

Cloth Diapers are Always Cute, Comfortable and Chemical Free No matter your starting age, the three C's don't change.

The U.S. Food and Drug Administration said the petition to ban the chemical bisphenol A, or BPA, did not provide the scientific evidence needed to change current regulations.

Ultrasound machines don't use radiation and cause no known physical or chemical changes that could affect your baby.

This may explain why identical twins tend to show more differences as they get older and don't spend as much time together — their natural chemical changes affect their development as individuals.

While cloth diapers may need to be changed and washed more often, they do not contain any chemicals.

Scientists could seek to understand the subtle pressure of light that causes asteroids to change their spin, and could retrieve samples for dating and chemical analysis that would offer a clearer picture of Solar System material than do meteorites, which, although they are pieces of asteroids, are altered during their fall through Earth's atmosphere.

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.

Every year, genetic mutations in the virus slightly change the chemical flavor of the lollipop, making it more sweet or sour than last season's — just different enough so the immune system doesn't recognize it.

Although many scientists doubt that Orlic's bone - marrow stem cells actually morphed directly into new heart tissue, they do believe the cells may have secreted powerful chemical cues — growth factors — or perhaps changed into blood vessels that revitalized the hearts.

In response, Luk's team has developed a class of chemical agents that does not kill bacteria but, rather, changes their multicellular behaviors.

Earth System Threshold Measure Boundary Current Level Preindustrial Climate Change CO2 Concentration 350 ppm 387 ppm 280 ppm Biodiversity Loss Extinction Rate 10 pm > 100 pm * 0.1 - one pm Nitrogen Cycle N2 Tonnage 35 mmt ** 121 mmt 0 Phosphorous Cycle Level in Ocean 11 mmt 8.5 - 9.5 mmt — 1 mmt Ozone Layer O3 Concentration 276 DU # 283 DU 290 DU Ocean Acidification Aragonite ^ ^ Levels 2.75 2.90 3.44 Freshwater Usage Consumption 4,000 km3 ^ 2,600 km3 415 km3 Land Use Change Cropland Conversion 15 km3 11.7 km3 Low Aerosols Soot Concentration TBD TBD TBD Chemical Pollution TBD TBD TBD TBD * pm = per million ** mmt = millions of metric tons #DU = dobson unit ^ km3 = cubic kilometers ^ ^ Aragonite is a form of calcium carbonate.

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.

DNA methylation, one mechanism of epigenetics, is a chemical tag on DNA that does not change the gene sequence but is involved in controlling gene expression.

The toxin did not appear to be altering gene sequences; instead, Skinner and colleagues found, vinclozolin was somehow causing other chemical groups to latch onto certain genes, changing their expression (Science, 3 June 2005, p. 1391).

What, did you think this column was written by a theoretical aggregation of molecules constituting a structural particle of protoplasm and capable of increase or diminution without change in chemical nature?

«We have an obligation to the world to deliver clean, reliable, low - cost energy that is hopefully low carbon, too,» adds chemical engineer David Rogers, general manager for climate change at Chevron, a California - based oil company that did not join efforts to suspend California's climate change initiative.

Compared with living people, Neandertals and ancient Siberians known as Denisovans had slightly different patterns of DNA methylation — a chemical modification of DNA that doesn't change the information in genes but helps control gene activity.

«By doing that, you're getting a more perfect shell that's less likely to cause chemical changes to the surface of the nanoparticle core.»

«What is fascinating to see is that the whole enzyme structure is important: the «dance» does not only change close to where the chemical reaction takes place, but also in parts much further away.

But that doesn't mean that the consequences don't exist, from changes in marine food webs to shifts in oceanic and atmospheric chemical composition.

Industrial practices are probably also going to have to change even once we do find, you know, what the multivariant model is that explains these outcomes and the extent to which chemicals are involved.

They have the same hormones and undergo the same chemical changes that humans do during emotional states.

During development, chromosomes are subject to chemical changes that don't affect the nucleotide sequence but can turn genes on or off; the best known example is methylation, in which a methyl group is attached to specific DNA regions.

Those oils, which put the «poison» in poison ivy, can vary in their chemical structure, and high CO2 levels also cause the plants to produce a more toxic form, «so climate change is not doing us any favors there,» Inkley said.

We wish we could do what plants do because plants absorb the light, and [they use] that electron to change a chemical bond inside the plant to actually make fuel.

«I don't think anyone should change their lifestyle or start spraying more chemicals or burn down their house or anything like that,» says Bertone, who adds that if household conditions can not support arthropods, it could be a «bad sign for us.»

The antibiotics, called spectinamides, were created by changing the chemical structure of an existing antibiotic, spectinomycin, which does not work against TB.

One likely place to look for an answer was histones, to see if changes in the patterns of the chemical marks on them might reveal any secrets, at the cellular level, of the aging process we all experience — and, perhaps, whether there might be anything we can do about it.

«As endocrine - disrupting chemicals, PCBs interfere with the way the thyroid hormone functions, but they don't actually change the amount of the hormone found in the body,» said one of the study's authors, R. Thomas Zoeller, PhD, of the University of Massachusetts in Amherst, MA.

«The fact that you need all of these binding domains is something we still don't quite understand, and the observed pH - dependent conformational change is quite different from what happens in mammalian FcRn, where a chemical titration controls binding,» said Bjorkman.

«The idea that changes in plant chemistry and therefore plant resistance may change the probability of cannibalism is very original,» says Andre Kessler, a chemical ecologist at Cornell University in Ithaca, New York, who did not participate in the study.

«A lot of what we do is looking in the earth's past because this allows us to see how the chemical composition of the atmosphere has been changing over large stretches of time.»

It does this through the liver, which has to alter the chemical to change it into a substance that the kidneys can excrete.

I have found that changing my son's diet has helped a lot, because he doesn't have to process out so many chemicals and his brain can function better.

Does putting raw elderberries into kombucha tea cause the elderberry to go under a chemical change that can make it not make you sick?

Well, I wanted to talk about cortisol a little bit, too, because stress is a huge part that can contribute to leaky gut and, you know, if you go back far enough in a — in a client's history and you find that they did start doing like a CrossFit exercise or they had a significant job change or they went through a divorce or something like that, some type of huge stressor whether it's emotional, chemical, physical, they seem to derail themselves.