Skip to main content
Donate

Up Next

Congress, Obama agree on rules for household chemicals

Congress, Obama agree on rules for household chemicals

Video
6:26
News Wrap: House Democrats hold sit-in on gun control vote

News Wrap: House Democrats hold sit-in on gun control vote

Video
8:43
Rep offers very personal rebuke of Stanford rape sentence

Rep offers very personal rebuke of Stanford rape sentence

Video
2:34
In Southern schools, segregation & inequality aren’t history

In Southern schools, segregation & inequality aren’t history

Video
6:46
Teen scientist’s device may grant speech to the voiceless

Teen scientist’s device may grant speech to the voiceless

Video
4:20
IMF delivers sobering report on U.S. economy

IMF delivers sobering report on U.S. economy

Video
7:35
Could the United States finally adopt the metric system?

Could the United States finally adopt the metric system?

Video
3:22
Will the UK embark upon a ‘painful divorce’ from the EU?

Will the UK embark upon a ‘painful divorce’ from the EU?

Video
9:01
Playwright examines America's racial fabric via O.J. trial

Playwright examines America's racial fabric via O.J. trial

Video
4:00
Why a housing shortage means reduced wages for workers

Why a housing shortage means reduced wages for workers

Video
8:36
Experts weigh in on validity of Obama’s immigration action

Experts weigh in on validity of Obama’s immigration action

Video
7:58
An inside look at Congressional Democrats’ gun vote sit-in

An inside look at Congressional Democrats’ gun vote sit-in

Video
9:00
Back to Show
PBS News Hour

Smelling doesn’t just perceive a scent -- it changes it

Scientists are discovering more about normal human biology every day. Case in point: the sense of smell, which everyone utilizes constantly, but few understand in depth. Science producer Nsikan Akpan takes a look at how smells work, how they move and how every sniff we take changes the odor itself.
Support Provided By
March 22, 2025 - PBS News Weekend full episode
26:45
Season 2025 Episode 81
March 22, 2025 - PBS News Weekend full episode
March 22, 2025 - PBS News Weekend full episode
March 21, 2025 - PBS News Hour full episode
57:46
Season 2025 Episode 80
March 21, 2025 - PBS News Hour full episode
March 21, 2025 - PBS News Hour full episode
March 20, 2025 - PBS News Hour full episode
57:46
Season 2025 Episode 79
March 20, 2025 - PBS News Hour full episode
March 20, 2025 - PBS News Hour full episode
March 19, 2025 - PBS News Hour full episode
57:46
Season 2025 Episode 78
March 19, 2025 - PBS News Hour full episode
March 19, 2025 - PBS News Hour full episode
March 18, 2025 - PBS News Hour full episode
56:44
Season 2025 Episode 77
March 18, 2025 - PBS News Hour full episode
March 18, 2025 - PBS News Hour full episode
March 17, 2025 - PBS News Hour full episode
57:46
Season 2025 Episode 76
March 17, 2025 - PBS News Hour full episode
March 17, 2025 - PBS News Hour full episode
March 16, 2025 - PBS News Weekend full episode
24:09
Season 2025 Episode 75
March 16, 2025 - PBS News Weekend full episode
March 16, 2025 - PBS News Weekend full episode
March 15, 2025 - PBS News Weekend full episode
24:09
Season 2025 Episode 74
March 15, 2025 - PBS News Weekend full episode
March 15, 2025 - PBS News Weekend full episode
March 14, 2025 - PBS News Hour full episode
57:46
Season 2025 Episode 73
March 14, 2025 - PBS News Hour full episode
March 14, 2025 - PBS News Hour full episode
March 13, 2025 - PBS News Hour full episode
57:46
Season 2025 Episode 72
March 13, 2025 - PBS News Hour full episode
March 13, 2025 - PBS News Hour full episode
March 12, 2025 - PBS News Hour full episode
57:46
Season 2025 Episode 71
March 12, 2025 - PBS News Hour full episode
March 12, 2025 - PBS News Hour full episode
March 11, 2025 - PBS News Hour full episode
57:46
Season 2025 Episode 70
March 11, 2025 - PBS News Hour full episode
March 11, 2025 - PBS News Hour full episode
Show more
Active loading indicator