TIL: You Can Smell Through Your Skin | Today I Learned

your nose isn’t the only thing that can

your nose isn’t the only thing that can smell things you can smell through your

smell things you can smell through your

smell things you can smell through your skin and that was a big surprise on one

skin and that was a big surprise on one

skin and that was a big surprise on one of our expeditions I dive into a lot of

of our expeditions I dive into a lot of

of our expeditions I dive into a lot of these underwater caves that we call blue

these underwater caves that we call blue

these underwater caves that we call blue holes and maybe at about 30 feet you hit

holes and maybe at about 30 feet you hit

holes and maybe at about 30 feet you hit like these wild looking colors that’s

like these wild looking colors that’s

like these wild looking colors that’s actually the pigments in the cells of

actually the pigments in the cells of

actually the pigments in the cells of individual bacteria and you start

individual bacteria and you start

individual bacteria and you start smelling something

smelling something

smelling something well you’re smelling hydrogen sulfide

well you’re smelling hydrogen sulfide

well you’re smelling hydrogen sulfide gas and it’s that same rotten egg smell

gas and it’s that same rotten egg smell

gas and it’s that same rotten egg smell that you get out of sulfur springs that

that you get out of sulfur springs that

that you get out of sulfur springs that in high concentrations is extremely

in high concentrations is extremely

in high concentrations is extremely toxic

you have a regulator in your mouth

you have a regulator in your mouth you’re wearing a mass so it’s not coming

you’re wearing a mass so it’s not coming

you’re wearing a mass so it’s not coming in your nose you’re not breathing it in

in your nose you’re not breathing it in

in your nose you’re not breathing it in yet you’re smelling hydrogen sulfide and

yet you’re smelling hydrogen sulfide and

yet you’re smelling hydrogen sulfide and it’s actually going through the pores in

it’s actually going through the pores in

it’s actually going through the pores in your skin do you end up spending enough

your skin do you end up spending enough

your skin do you end up spending enough time in it you stop smelling it it

time in it you stop smelling it it

time in it you stop smelling it it actually dead ends the olfactory nerves

actually dead ends the olfactory nerves

actually dead ends the olfactory nerves and that’s cyan we use to ourselves that

and that’s cyan we use to ourselves that

and that’s cyan we use to ourselves that we’ve been in it too long get through it

we’ve been in it too long get through it

we’ve been in it too long get through it or come up these animals live in our

or come up these animals live in our

or come up these animals live in our buildings they get on our roofs they

buildings they get on our roofs they

buildings they get on our roofs they even go into the sewer system get away

even go into the sewer system get away

even go into the sewer system get away from traffic and people and can move for

from traffic and people and can move for

from traffic and people and can move for considerable distances using those

considerable distances using those

considerable distances using those tunnels