Jet, a 5-month-old baby elephant, made his public debut at the Saint Louis Zoo in Missouri. The calf is the first Asian elephant born through artificial insemination at the zoo.

Kham Kaew, a playful three-year-old elephant, amused tourists at a shrine in Chiang Mai, Thailand, at the end of March.

Thirteen years ago, one infant received a heart transplant from another infant. During National Donate Life Month, their ...