In this task, you are given a sentence in the Japanese language and your task is to convert it into the English language. In translation, keep numbers as it is and make it sentence case (capitalize only the first word of each sentence and noun).

[Q]: 「この母親の血統は現在、すべての現代の北極グマに存在する。」
[A]: This maternal lineage is now present in all modern polar bears."


[Q]: ゴンザレスは数年間病気に苦しみ、車椅子生活を送っていた。
[A]: Gonzalez had suffered with the illness for several years and was wheelchair bound.


[Q]: シャトルの遮熱板の走査（スペースシャトルコロンビアの悲劇以降現在定期的に行われる）は懸念の原因を示さず、ディスカバリーは帰還の許可を得た。
[A]:
The a scan of the Shuttle's heat shield (now routine since the Space Shuttle Columbia disaster) showed no cause for concern and Discovery was cleared for the voyage home.