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Each one is a valve, worked by tiny muscles that contract to close it or relax to open it, which is why an insect can simply shut its airways when conditions demand it (they do this routinely to limit water loss)

J., Beasley, R., & Fitzmaurice, P

This isn't just one of the mostunique cigarette lightersyou'll ever hold it's a functional work of art that tells time as confidently as it commands a room

When you no longer have healthy cilia, youre without protection against harmful pathogens and allergens

Three fresh-food marketplaces and 1 inter-provincial bus terminal and 6 local van or high-roofed pickup truck taxi (songthaew) terminals in Meung district, were purposively selected