How one machine listens to the sound we make when we chew different foods to analyze data and make us healthier humans.
This Amazonian stingray chews its food like a cow or goat.
A documentary about people who fly off the handle at the sound of someone chewing.
The future of fitness trackers might be a calorie-counting necklace
Betel nuts are chewed all over Southeast Asia for their mild stimulant properties, but in India it resembles a snack more than a mere drug. I went to Southall to sample some of the paan, as it's called, and attempt to get a buzz.
"Jaw movement is the most promising muscle activity from which energy could be harvested in the region of the head."