Greg is is a chef. Last night, he was in his kitchen preparing foods for the guests. First, he made some lemonade. In trial one he added some honey in it and stirred it, but in trial two he didn't stir it. Then he made some coffee. In trial three he added hot water in it, but in trial four he added cold water in it. Finally, he made some soup. In trial five he added fine grain salt in it, but in trial six he added coarse salt in it. Would the soup be prepared faster or slower in trial five than in trial six?
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Answer: faster

Two friends studied permaculture together. Bill studied about mycorrhiza, while Red studied about hugel kultur. Which friend learned more about fungus colonizing the roots of a host plant by growing around the root cells?
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Answer: Bill

Two friends had unprotected sex with their respective dates on the same night. Everything went fine for both of them. They later found out the bad news. Mike had been infected with HIV. Luckily enough Pete was healthy, he didn't get any diseases. Which friend had a virus that is transmitted by contact with infected semen?
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Answer:
Mike