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.
On April 4th, 1988, Darryl Strawberry opened the season for the Mets with this blast that on its way out to right field hit the top of the roof. The blast has been measured as a 525 foot home run from Strawberry, which ended being first the longest one of his 39 on the season.