Sentences with phrase «from chemical changes»

The discovery team presumes that VP113 has an icy reflective surface like other relatively small, outer Solar System objects, as the dwarf planet is observed to have a pink tinge, which is hypothesized to result from chemical changes produced by the effect of radiation on frozen water, methane, and carbon dioxide.

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.

Another participant, Dow Chemical CEO Andrew Liveris, heads Trump's manufacturing council, but he condemned Trump's decision last week to withdraw from an international agreement to address climate change.

You start with simple dna made from chemicals that are the same in all animals and you build specific triggers into these codes to aid in the ability of these creatures to adapt to the changes in invironment and food sources and to be able to avoid preditors.

Once change in system parameters has led to a condition of chemical instability, a stochastic internal fluctuation (or a perturbation from the outside) sets off an evolution (change) of the composition of the system.

Some stay away from microwave popcorn due to unhealthy additives, specifically those found in bag linings, but Quinn Snacks» popcorns have changed all that: the company's revolutionary bags contain no chemicals or plastic coatings and are compostable and biodegradable, the perfect container to pop U.S. - grown organic corn.

It is about supporting a system of sustainable agricultural management that promotes soil health and fertility through the use of such methods as crop rotation and cover cropping, which nourish plants, foster species diversity, help combat climate change, prevent damage to valuable water resources, and protect farmers and farmersâ $ ™ families from exposure to harmful chemicals.

«The International Rice Research Institute and other research institutions have developed a wide range of sustainable technologies that will help reduce use of water, chemicals and energy in rice, and protect the crop from pests, disease and the impacts of climate change.

From changing what you eat and drink to avoiding cleaning chemicals and switching to more natural beauty products.

«Pregnancy changes everything from a woman's pulse to the chemicals that influence her thoughts and feelings.

While rashes can be caused by a variety of problems (food allergies, yeast, etc.), the majority of these rashes come from contact allergies to diaper and wipe chemicals and dyes, lack of air, higher diaper temperatures, and infrequent changing because diapers feel dry when they are saturated with urine.

GSE is made by taking the pulp, not necessarily seeds, from grapefruit juice production and in a multi step industrial chemical process change the natural phenolic compounds into synthetic quaternary ammonium compounds.

She made the change to cloth to protect her children from the chemicals found in disposable diapers.

We have since also worked to remove all toxic chemicals from our home — changing out all health and beauty care, body care, oral health, and household products.

As reports of chemical weapons use emerge from an escalating conflict, will our politicians change tack on Syria?

The changing chemical composition and the cheap price of anywhere between $ 2 and $ 5, is leading to unpredictable reactions from users and overdoses, officials said.

Chemical modifications to DNA that change the activity of genes without changing the genes» information differ between homosexual and heterosexual men, researchers from UCLA David Geffen School of Medicine have discovered.

Cosmic rays from outside the solar system can also inject ions into lunar rocks, causing chemical changes that create water.

Unfortunately, many of these unknown molecules were those that differed between the wood from the two regions, making it difficult to understand why these changes in chemical fingerprint occur.

This discovery is a major leap forward when it comes to identifying changes in the brain's chemical messengers in people who suffer from anxiety.

In a new paper in the journal Biology Letters, researchers from QMUL's School of Biological and Chemical Sciences found that goats respond to people by gazing at them when facing a problem they can not solve alone, and their responses change depending on the person's behaviour.

«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.

This is the science of epigenetics, in which chemical changes to genetic material turn genes on or off without changing the order of the DNA code inherited from your parents.

Obtaining it from living humans is not difficult, but it's a formidable challenge to extract and sequence genome - wide aDNA, which can degrade into fragments, undergo chemical reactions that change its code, and be contaminated by modern DNA.

But Darwinism says that there has been change through time, since all life comes from a common ancestor — something that appeared to be supported when, early in the 20th century, scientists discovered that X-rays and specific chemicals caused mutations.

By analyzing chemical changes of the IRS - 2 protein in immortalized cultures of human white blood cells, it determined that IRS - 2 appeared in two different forms — «on,» which allows the signal to pass through, and «off,» which stops the signal from activating the cells into M2 macrophages.

«The study was the first to specifically isolate CO2's effect from that of other global - warming agents and to find quantitatively that chemical and meteorological changes due to CO2 itself increase mortality due to increased ozone, particles and carcinogens in the air.»

The award presentation will provide some of the conference's most hopeful news for marine mammals in peril from threats ranging from climate change to chemical contaminants.

Chemical analysis of her hair shows a dramatic change in diet, as well as regular doses of coca leaves and alcohol from a special ritual beer.

Tissue from their placentas, the uterine structure that provides oxygen and nutrients to the fetus, was analyzed for a specific enzyme, CYP1A1, which changes endocrine - disrupting chemicals into a form that can interfere directly with the body's thyroid hormone receptors.

The researchers from QMUL's School of Biological and Chemical Sciences investigated whether these «sexually selected» animals might be better able to cope with changes in the environment such as increasing temperatures or acidity.

A new study, published online this week in the Proceedings of the National Academy of Sciences, suggests that these chemicals can change reproductive behavior as well, and that these behavioral changes can be passed on from parents to offspring.

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.

The new set - up differs from other types of thin - metal sensors currently in use, the authors note, because it detects molecules directly instead of measuring indirect changes caused by the presence of a chemical.

Others, however, think the chemical change can be explained in a more conventional picture, in which the electrons hop from atom to atom on the DNA rather than tunneling down the helix in one step.

Such physical changes to the atmosphere might last only hours or days, he notes, but any subtle chemical changes — including those resulting from the extra hydrogen added to the air when ultraviolet light breaks down the water vapor — would persist much longer.

«The amount and diversity of pesticides, pharmaceuticals and other industrial chemicals that humans are releasing into the environment are increasing at rates that match or exceed recent increases in CO2 emissions, nutrient pollution from nitrogen fertilizers, and other drivers of global change,» Bernhardt said.

«Detailed chemical measurements in Antarctic ice cores show that massive, halogen - rich eruptions from the West Antarctic Mt. Takahe volcano coincided exactly with the onset of the most rapid, widespread climate change in the Southern Hemisphere during the end of the last ice age and the start of increasing global greenhouse gas concentrations,» according to McConnell, who leads DRI's ultra-trace chemical ice core analytical laboratory.

Prior research with cultured tissue had shown that a mix of chemicals could change bone marrow stem cells from mice to those resembling brain cells, but when a team led by neurologist Lorraine Iacovitti of Thomas Jefferson University in Philadelphia tried the same brew on human cells, the number altered was modest.

Only ions that come from the breakdown products of bomb - making chemicals can diffuse through the membranes in the electrodes, changing a resistor's voltage in a telltale way.

Then, a century ago, the nitrogen cycle changed forever when Fritz Haber, a German chemist, invented an industrial process for fixing nitrogen from the atmosphere to make chemical fertiliser.

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.

Whether pandas feed on stalks or leaves appears related to chemical changes in the bamboo leaves themselves, a strategy some plants use to prevent herbivores from munching on them.

The development of an embryo usually requires genetic material from sperm and egg, as well as a series of chemical changes sparked by fertilization.

Hepatic encephalopathy occurs when the liver can not remove certain toxins and chemicals, such as ammonia, from the blood.1 These toxins and chemicals then build up and enter the brain.1 Hepatic encephalopathy is one of the major complications of cirrhosis (scarring of the liver), and a leading cause of hospital re-admission due to its recurrence, despite treatment.1 It can occur suddenly in people with acute liver failure, but is seen more often in those with chronic liver disease.1 Symptoms of hepatic encephalopathy include mild confusion, forgetfulness, poor concentration and personality or mood changes, but can progress to extreme anxiety, seizures, severe confusion, jumbled and slurred speech and slow movement.1 The first step in treatment is to identify and treat any factors that cause hepatic encephalopathy.2 Once the episode has resolved, further treatment aims to reduce the production and absorption of toxins, such as ammonia.1 Generally, there are two types of medication used to reduce the likelihood of another hepatic encephalopathy episode — lactulose and rifaximin.2 However, it remains a leading cause of hospitalisations and re-hospitalisations in cirrhotic patients, despite the use of the above - mentioned standard of care treatment.

Using carbon dating and chemical analysis, researchers from Northumbria University, Newcastle have shown that significant changes in dust levels occurred in Romania around 6,100 years ago, despite the climate in Eastern Europe being relatively wet at this time, indicative of an extraregional source of such dust, most likely to be from the Sahara.

A chemical called bisphenol A — BPA — used in plastic packaging and in the linings of food and beverage cans, may be passed from a mother to her offspring during pregnancy and cause changes in the gut bacteria of the offspring, according to an international team of researchers.

Changes in chemical composition and disruptions to dissolved oxygen levels in the water from pollutants and construction could harm numerous populations of freshwater and marine fish found nowhere else in the world.

Research suggests that very scarce chemical cues can trigger physical changes in the cell, including remodeling the plasma membrane and recruiting cytoskeletal machinery, to transform the dichty from a fat, happy cell to an elongated cell with a distinct front and rear end, ready to migrate.

A chemical interaction with target molecules subtly alters the magnetic signal from the xenon; by detecting this change researchers can identify the molecules in a complex mixture.