QUES: In 1896, Patrick and Gilbert observed that during a prolonged period of sleep deprivation, sleepiness increases and decreases with a period of approximately 24 hours. In 1918, J.S. Szymanski showed that animals are capable of maintaining 24-hour activity patterns in the absence of external cues such as light and changes in temperature. In the early 20th century, circadian rhythms were noticed in the rhythmic feeding times of bees. Extensive experiments were done by Auguste Forel, Ingeborg Beling, and Oskar Wahl to see whether this rhythm was due to an endogenous clock.[citation needed] Ron Konopka and Seymour Benzer isolated the first clock mutant in Drosophila in the early 1970s and mapped the "period" gene, the first discovered genetic determinant of behavioral rhythmicity. Joseph Takahashi discovered the first mammalian circadian clock mutation (clock19) using mice in 1994. However, recent studies show that deletion of clock does not lead to a behavioral phenotype (the animals still have normal circadian rhythms), which questions its importance in rhythm generation.

What was noticed in the rhythmic feeding time of birds in the early twentieth century?
What is the answer?
ANS: unanswerable
QUES: Divorce is discouraged, and remarriage is forbidden unless a divorce is obtained on the grounds of adultery, which they refer to as "a scriptural divorce". If a divorce is obtained for any other reason, remarriage is considered adulterous unless the prior spouse has died or is since considered to have committed sexual immorality. Extreme physical abuse, willful non-support of one's family, and what the religion terms "absolute endangerment of spirituality" are considered grounds for legal separation.

What is an acceptable grounds for divorce for a Jehovah Witness?
What is the answer?
ANS: adultery
QUES: By design, it is difficult to insert a USB plug into its receptacle incorrectly. The USB specification states that the required USB icon must be embossed on the "topside" of the USB plug, which "...provides easy user recognition and facilitates alignment during the mating process." The specification also shows that the "recommended" "Manufacturer's logo" ("engraved" on the diagram but not specified in the text) is on the opposite side of the USB icon. The specification further states, "The USB Icon is also located adjacent to each receptacle. Receptacles should be oriented to allow the icon on the plug to be visible during the mating process." However, the specification does not consider the height of the device compared to the eye level height of the user, so the side of the cable that is "visible" when mated to a computer on a desk can depend on whether the user is standing or kneeling.

The USB specification states that the required USB icon must be what?
What is the answer?
ANS:
embossed on the "topside" of the USB plug