When hunting small animals such as mice, they slowly stalk through the grass, and use their acute sense of smell to track down the prey.

When used to test venom from venomous creatures, such as snakes, LD < sub > 50 </ sub > results may be misleading due to the physiological differences between mice, rats, and humans.

When estrogen levels were raised through the increased activity of the enzyme aromatase in male lab mice, OCD rituals were dramatically decreased.

* Rhyme ( When the cat is away, the mice will play )

When administered to mice, the results were promising ; this vaccine provided immunity for three years.

When mice still used a mechanical design ( with slotted ' chopper ' wheels interrupting a beam of light to measure rotation ), trackballs had the advantage of being in contact with the user's hand, which is generally cleaner than the desk or mousepad and does not drag lint into the chopper wheels.

When Bmi1 was knocked out in mice, impaired cerebellar development resulted, leading to significant reductions in postnatal brain mass along with abnormalities in motor control and behavior.

When Griffith injected heat-killed S into mice, as expected no disease ensued.

When mice were injected with a mixture of heat-killed S and live R, however, pneumonia and death ensued.

When ob / ob mice are treated with injections of leptin, they lose their excess fat and return to normal body weight.

When small amounts of melatonin were administered to lab mice, it reduced the oxidative damage caused by aging and delayed the inflammatory process, which in turn increased the longevity of the mice.

When breeding laboratory mice in a controlled environment, the weaning is defined as the moment when the pups are transferred out of the mothers ' cage.

When graphical interfaces were first introduced, many computers did not have mice, so this alternative was necessary.

When optical mice, which use image sensors to detect movement, were first introduced into the market, they required special mousepads with optical patterns printed on them.

When mice were tested with a hotplate analgesia meter, both venlafaxine and mirtazapine induced a dose-dependent, naloxone-reversible antinociceptive effect following intraperitoneal injection.

When he subsequently collected serum from these Guinea pigs and injected it into normal mice he observed a marked depletion in the number of circulating mouse lymphocytes.

When AMPK activity was pharmacologically raised ( AICAR see below ) the mice ate more and gained weight.

When Alley-Kat-Abra is arrested for murdering Little Cheese, she tells them she did it simply because she is a cat and cats hate mice.

When settlers sailed from Europe to North America, they carried cats on board to protect the stores from mice.

When mice were infected with either the cardiac isolate or a lab strain, 10 times as much bacteria were found in the hearts of mice infected with the cardiac strain.

When they arrive, Mombi's elephants surprise them, but, when Dorothy flips open Glinda's box, a large army of mice emerge from it, scaring off the elephants.

When compared to control mice, oxiracetam-treated DBA mice demonstrated a significant increase in spatial learning performance as determined by the Morris task.

When they were closer and he saw that one was a woman, he was more puzzled than ever.

When they were finally satisfied, Jones said, `` I think he's going to give us work ''.

When they were ready to leave, Benson and Ramey walked back around the rear of the trailer.

When they reached the school, a gang of boys and girls were already there playing `` crack the whip '' in front of the schoolhouse.

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 he discovered they had received from the Company's Court of Directors no permission to live in India, coupled with the fact that they were Americans who had been sent to Asia to convert `` the heathen '', he became more belligerent than ever.

When Prudence and Blackberry were too young to be trusted in the dining room, they were tied to the radiator with their leashes, and they would cry.

When they were first written, there was evidently no thought of their being published, and those which refer to the writer's love for Mrs. Meynell particularly have the ring of truth.

When their levies came shambling into camp, they were all elbows, hair, and beard.

When, in March, 1640, the two towns were united under Coddington, Gorton claimed the union was irregular and illegally constituted and that it had never been sanctioned by the majority of freeholders.

When the negotiations began, his quarrel with the king of France was temporarily in abeyance, and he had no intention of reviving it so long as there was hope that French money would come to pay the troops who, under Charles of Valois, the papal vicar of Tuscany, were so valuable in the crusade against the Colonna cardinals and their Sicilian allies.

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

When Sir Edward Greville enclosed the town commons on the Bancroft, Quiney and others leveled his hedges on January 21, 1600/1, and were charged with riot by Sir Edward.

When it was over, eight of his company were still alive and all eight were wounded.

When the stock exchange opened this morning, many dealers were quick to purchase shares in Douglas, Lockheed and United Aircraft and prices rose substantially.

When the end did come, and the schools were disbanded and abandoned, we felt and hoped that the machinery of psychological warfare would not be allowed to rust.

When we got there, Trig and the Negro were quarreling over possession of a gold crucifix around the neck of a wounded Filipino.

When it was proposed to rebuild the church, Wilson found that the terms for a new mortgage were very high.

When something unexpected happened, one always asked for water if one were a woman, brandy if one were a man.

When Papa's slender fingers removed the spectacles, there were red indentations on the bridge of the strong nose.

When the telephone rang on the day after Hino went down to the village, Rector had a hunch it would be Hino with some morsel of information too important to wait until his return, for there were few telephones in the village and the phone in Rector's office rarely rang unless it was important.

When values of temperature derived with this instrument were compared with the accepted values associated with liquid helium-4 vapor pressures, differences of about 10 and 7 millidegrees respectively were found.