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.
Some notable performances in the Derby include Bobby Abreu in 2005, who won the Derby with a then-record 41 homers, including a then-record 24 in the first round. The first-round record was broken in 2008 by Josh Hamilton, who hit 28 home runs.