Before we jump into a debate about the environmental costs of eating meat, here are three things you should know:

Martin Blaser says the overuse of antibiotics threatens to deplete our bodies of "good" microbes, leaving us vulnerable to an unstoppable plague--an "antibiotic winter."

"Nostalgia" and flimsy evidence led to guilty verdicts in the nation's oldest cold case ever solved, according to the man serving a life sentence for kidnapping and murdering a neighbor's child in 1957.

Catherine, Duchess of Cambridge, Prince William, Duke of Cambridge and Prince George of Cambridge embark on a Royal Tour of New Zealand and Australia.