A hot cup of high-end coffee sounds like a delicious indulgence, but when it’s brewed using beans digested by a wild cat, we’re in territory that many people would describe as gross. Gross may also describe the insides of a rubber ducky bath toy that researchers cut open. Inside, they saw a brown layer of festering bacteria that included staph and strep. And officials near Detroit found a fatberg lurking beneath the streets. Fatbergs are giant, smelly masses of grease and waste.