What’s in a smell? - Deepstash

Bite-sized knowledge

to upgrade

your career

Ideas from books, articles & podcasts.

created 3 ideas

SCIENCEFOCUS

What’s in a smell?

What’s in a smell?

sciencefocus.com

STASHED IN:

1.45K reads

How smell works

  • Odour molecules that move through the air up your nostrils will bind to special smell receptors on the surface of nerve cells.
  • The nerve cells send a signal to the brain's olfactory bulb, that is behind the bridge of the nose.
  • People have about 400 different smell recepto...

  • Smells can alert us about danger - we're repulsed by the smell of sewage and rotting food.
  • We don't all respond to odour molecules in the same way.
  • Butyric acid contributes to the smell of both Parmesan cheese and vomit, so it may smell offputting or appealing, depending ...

A complete loss of smell, known as anosmia, can occur after a cold, sinus infection or even a bump to the head.

Anosmia affects the flavour of food. However, it isn't always permanent and may recover naturally or through exercises like 'smell training' to ...

10 Reactions

Comment

It's time to

READ

LIKE

A PRO!

Jump-start your

reading habits

, gather your

knowledge

,

remember what you read

and stay ahead of the crowd!

Takes just 5 minutes a day.


TRY THE DEEPSTASH APP

+2M Installs

4.7 App Score