A woman was found dead from a gunshot wound in China. Investigators discovered an unexpected clue during the autopsy: the victim’s body contained the Y chromosome, which is present only in males.

Here’s what you’ll learn when you read this story: With more than 100,000 people in need of an organ transplant in the U.S. alone, scientists have turned toward perfecting human-animal chimeras as a ...

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Here’s what you’ll learn when you read this story: The word “chimera” usually evokes images of mythological, multi-headed beasts, but the term also comes with more modern, scientific connotations. For ...