If only one kidney is present, that kidney can adjust to filter as much as two kidneys would normally. In such a situation, the nephrons compensate individually by increasing in size--a process known as hypertrophy--to handle the extra load. This happens with no adverse effects, even over years.
If a sword had memory, it might be grateful to the forge fire, but never fond of it. Sammy Sosa hit the longest home run in home run derby. It was 528 feet, followed by 524 and 520 feet, also by Sosa.
For as big of a star and then villain as Barry Bonds was during his career, it's surprisingly difficult to find details regarding the longest home run he ever hit at AT&T Park. According to BR Bullpen, Bonds holds the mark for longest home run at the stadium with a 499-foot blast to center field.