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'Rat Cafe' to open in San Francisco with live rats scurrying around

Quantum experiment could test if human consciousness is material or immaterial

10 real-life fairy tale castles

What artificial sweeteners do to your health

6 surprising health benefits of mushrooms

Pint-sized hero helps tiny seahorse avoid being seagull's lunch

Chagas disease more deadly than previously thought

Happy World Turtle Day

Every kid should know what birthday cake tastes like

Don't bash millennials about avocados — blame their parents

73 percent of sunscreens don't work

Baby emu tests limits of basset hound's patience