Jul 8, 2025 Daily Edition: Prime Day Grows Up (and Out) View on the web → Hello Reader, good morning! It’s Prime Day—and in classic Amazon style, they’re extending it longer than your cousin's wedding weekend. When you're unboxing that discounted air fryer you didn't actually need, did you ever think your glorious (or not) hair is part of why you're here reading this? Yeah, it turns out our ancestors' curly hair gave us a head start, shielding our developing brains from overheating millions...