A Moment of Science

Posts tagged odor

August 2, 2012

 

a sweaty man working out

The Roll-on Drug

Do antiperspirants stop all kinds of sweat? How do they work?

April 24, 2012

 

man with sweat

Why Does Sweat Smell So Bad?

As this watery sweat rinses your skin, it cools the body by evaporation--and even performs a community service by rinsing away potentially stinky bacteria!

December 19, 2011

 

dog nose

Can Dogs Sniff Out Cancer?

I've heard that some dogs can smell if someone has cancer. Is this really true, or is it more like an urban legend?

May 15, 2009

 

Pouring rain

When It Smells Like Rain

It smells like rain, but how? Find out in today's A Moment of Science.

February 6, 2009

 

Roses

Smelly Dreams

Researchers have found that odors can affect dreams.

November 5, 2008

 

Crayfish in Water

Urine Signalling, Part 2

We found that lobsters and crayfish communicate by shooting streams of urine into each others' faces. Now, we look at urine signaling from the receiver's end.

December 22, 2003

 

Ant Attack!

Learn about the dangerous lives of sweat bees on this Moment of Science.

September 27, 2003

 

Wasp Individuality

Social insects such as wasps, bees, and ants rely on sight and odor to distinguish a nest mate from an outsider, but can they decipher between individuals?

September 27, 2003

 

Why Fish Smell More than Meat

Ever wonder why rotten fish smell worse than beef? Find out on today's Moment of Science.

September 27, 2003

 

Baking Basics

Things like coffee grounds and charcoal are called “physical deodorizers,” because they absorb tiny particles in the air that are causing the smell. The problem is, eventually they reach a state called “equilibrium,” in which the deodorizer has absorbed all it can.

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