Animal testing bans vary widely by country and industry. Here's what's actually prohibited, where the gaps are, and what cruelty-free labels really mean.
Rechargeable batteries store energy but rely on finite minerals, making them nonrenewable—though recycling and new chemistries are improving the picture.
Boiling spinach boosts some nutrients while reducing others. Here's what you actually get, who should watch their intake, and how it compares to raw or steamed.
Juan Ponce de León sailed with Columbus, founded Puerto Rico's first capital, and claimed Florida for Spain — but probably never searched for a Fountain of Youth.