When they reached their neighbor's house, Pamela said a few polite words to Grace and kissed Melissa lightly on the forehead, the impulse prompted by a stray thought -- of the type to which she was frequently subject these days -- that they might never see one another again.

When she would do these things, he would turn blind for an instant and become sick at his stomach.

When these had been pocketed, we could still spend a morning cracking open other pebbles for our delight in seeing how much prettier they were inside than their dull exteriors indicated.

When these fields are surveyed together, important patterns of relationship emerge indicating a vast community of reciprocal influence, a continuity of thought and expression including many traditions, primarily literary, religious, and philosophical, but frequently including contact with the fine arts and even, to some extent, with science.

When these chores were finished, only then, was she allowed whatever freedom she could find.

When the recent Katangan outbreaks imperiled these solutions Mr. Hammarskjold, despite the danger, flew to exert a calming influence.

When they got home Harold was grateful for the stillness in the apartment, and thought how, under different circumstances, they might have stayed on here, in these old-fashioned, high-ceilinged rooms that reminded him of the Irelands' apartment in the East Eighties.

When these groups were first formed many prominent and accomplished decorators could not have had the advantage of school training since interior design courses were rare and undeveloped during their youth.

When now we count the frequency of the 71 items in the two language families appearing in the same column or grade, or one column or grade apart, or two or three or four, we find these differences: Af

When Mayor Dever heard of the banquet he summoned Hughes for an explanation of why he had been dishonouring the police department by consorting with these felons and fixers.

When Felix first opened the door on it, all these shades were tightly drawn and the whole studio was as dark as night.

When, therefore, it turned its attention to the concrete entities with which popular imagination had peopled the world of spirit, these entities soon lost whatever status they had enjoyed as actual elements of external reality.

When dam construction began in 1933, fewer than 600 boats used these waters ; ;

When these do not work, he tries to avoid responsibility, saying he will ask the government for orders.

When heated to form a solution and then cooled quickly, these alloys become much softer than normal, during the diffusionless transformation, and then harden as they age.

When Ewen rejected these attempts, Alexander sailed forth to compel him, but on the way he suffered a fever at the Isle of Kerrera in the Inner Hebrides.

" When we run over libraries, persuaded of these principles, what havoc must we make?

When blacks began singing adapted versions of these hymns, they were called Negro spirituals.

When James Bradley and Samuel Molyneux entered this sphere of astronomical research in 1725, there consequently prevailed much uncertainty whether stellar parallaxes had been observed or not ; and it was with the intention of definitely answering this question that these astronomers erected a large telescope at the house of the latter at Kew.

When calcium is leached from the needles of red spruce, these trees become less cold tolerant and exhibit winter injury and even death.

When the end came, these troops simply shifted their allegiances to the new barbarian rulers.

When these cells become entrapped from osteoblasts they become osteocytes.

When the pH of this solution rises, as a result of dilution by fresh water, these ions precipitate, forming " Yellow Boy " pollution.

When the United States renounced its offensive biological warfare program in 1969 and 1970, the vast majority of its biological arsenal was composed of these plant diseases.

When bacterial populations have these resistant subgroups, treatment with β-lactam can result in the resistant strain becoming more prevalent and so more virulent.

When heat is used in the preparation of food, it can kill or inactivate potentially harmful organisms, such as bacteria and viruses, as well as various parasites such as tapeworms and Toxoplasma gondii.

When the organisms die, their shells are deposited as sediment and eventually turn into limestone.

When sea water freezes, the ice is riddled with brine-filled channels which sustain sympagic organisms such as bacteria, algae, copepods and annelids, which in turn provide food for animals such as krill and specialised fish like the Bald notothen, fed upon in turn by larger animals such as Emperor penguins and Minke whales.

When reordered to climate, relief, organisms, parent material, and time, they form the acronym CROPT.

When these organisms die their skeletons sink to the bottom, forming a thick layer of calcareous mud that may lithify into limestone.

When studying the anatomy of the human body, he did not believe that the living organisms could be explained mechanistically.

When such data does not exist, estimates are made by comparison to known similar toxic things, or to similar exposures in similar organisms.

When the complex relationships between pathogenic microorganisms and their hosts were finally identified — refuting the idea of holistic organisms — Schwendener's hypothesis began to gain popularity.

When these organisms die, they settle out on the sea bed, preserving a long and invaluable record of global climate change through much of the Quaternary.

When the organisms are swallowed, they move into the intestine, where they can reproduce and cause symptoms.

When chemiluminescence takes place in living organisms, the phenomenon is called bioluminescence.

When sea water freezes, the ice is riddled with brine-filled channels which sustain sympagic organisms such as bacteria, algae, copepods and annelids, which in turn provide food for animals such as krill and specialised fish like the Bald notothen, fed upon in turn by larger animals such as Emperor penguins and Minke whales.

When the intensity of stimuli is balanced equally from all sides then the organisms move in a straight line.

When the stimuli coming from a source is balanced equally the organisms show movement.

When an ecologist wants to know how many organisms there are in pricular habbitat.

When studies of biological organisms in hot springs began in the 1960s, scientists thought that the life of thermophilic bacteria could not be sustained in temperatures above about 55 ° Celsius ( 131 ° Fahrenheit ).

When microbes were first recognized as the cause of infectious diseases, it was immediately clear that multicellular organisms must be capable of recognizing them when infected and, hence, capable of recognizing molecules unique to microbes.

When they reach about half an inch they can be fed small organisms like daphnia or cyclops.

When basophils are injured, they will release histamine, which contributes to the inflammatory response that helps fight invading organisms.

When indicator organisms levels exceed pre-set triggers, specific analysis for pathogens may then be undertaken and these can be quickly detected ( where suspected ) using specific culture methods or molecular biology.

When organisms have ready access to the sewage, they can treat it more thoroughly.

When a habitat changes, the most common thing to happen is that the resident population moves to another locale which suits it ; this is the typical response of flying insects or oceanic organisms, who have wide ( though not unlimited ) opportunity for movement.

When it was determined that the organisms were the same, the term " Malassezia " was judged to possess priority.

When the layers do mix for whatever reason the consequences can be devastating for organisms that normally live in the mixolimnion.