Ask Smithsonian: Does Stress Turn Your Hair Gray?

Take a calming breath, then watch this video to find out (1:00)

Ask Smithsonian is a weekly video series that unravels some of science's most surprising mysteries. The series is made possible through the support of GEICO. Smithsonian members could save even MORE with a special GEICO #MemberDiscount on auto insurance.

Have a question in mind? It's your turn to Ask Smithsonian.

Latest Videos

Preview thumbnail for video'Polar Bear Mom Protects Her Cubs From a Hungry Male
Polar Bear Mom Protects Her Cubs From a Hungry Male (2:21)
Preview thumbnail for video'Hippo Climbs Down a Steep Cliff...With Difficulty
Hippo Climbs Down a Steep Cliff...With Difficulty (2:13)
Preview thumbnail for video'This Devoted Mother Is Also a Cockroach
This Devoted Mother Is Also a Cockroach (2:29)
Preview thumbnail for video'How a Ship's Crew Eats in the Middle of Combat
How a Ship's Crew Eats in the Middle of Combat (2:00)
Preview thumbnail for video'NASA's Unusual Giant Air Cargo Transport Plane
NASA's Unusual Giant Air Cargo Transport Plane (3:28)
Preview thumbnail for video'What Really Killed Off the Woolly Mammoth?
What Really Killed Off the Woolly Mammoth? (3:29)
Preview thumbnail for video'Spectacular Footage of a Butterfly Leaving Its Cocoon
Spectacular Footage of a Butterfly Leaving Its Cocoon (4:41)
Preview thumbnail for video'Watch This Mother Tick Lay 1,500 Eggs
Watch This Mother Tick Lay 1,500 Eggs (1:32)
Preview thumbnail for video'The $10 Million Race to Invent Star Trek's Tricorder
The $10 Million Race to Invent Star Trek's Tricorder (4:15)