Photonic crystals (PCs) have aroused worldwide attention because of their special light manipulation properties, which are extensively exploited in integrated optical devices, 1, 2, 3 full-color ...

Crack started rocking America in the 1980s. The form of cocaine, which provides a brief, intense high, peaked in popularity by the end of that decade, but big cities are still struggling with the ...

White House press secretary Jen Psaki on Thursday denied that taxpayer dollars are being used to fund safe-smoking kits that include crack pipes. "No federal funding has gone to it," Psaki said during ...

LOS ANGELES — Are you a junkie in Skid Row who just got a bag of crack or fentanyl, but have no pipe to smoke it in? Don’t ...