Inquiring Minds
Season 1, Episode 19: How Do We Determine The Age Of Dinosaurs?
Select Source
Calculating the age of bones from the amount of carbon 14 they contain and the potassium atoms in rocks surrounding bones. Explanations of how bones help determine what the dinosaurs looked like, their habits, and their diet.
All Episodes - Season 1
Episode 1
Why Is The Sky Blue?
Episode 2
How Do People Survive Lightning Strikes?
Episode 3
Why Does Breathing Helium Make Your Voice So High?
Episode 4
Why Don't Satellites Fall Out Of The Sky?
Episode 5
How Does The Dry Cleaning Process Work?
Episode 6
Why Are Hurricanes Seasonal?
Episode 7
Why Do Voices Sound Different On Recorders?
Episode 8
How Do Astronauts Land On The Moon?
Episode 9
Why Do High And Low Pressure Systems Bring Good And Bad Weather?
Episode 10
Why Do Some Rock Concerts Sound So Bad?
Episode 11
How Do No Tears Shampoos Work?
Episode 12
How Do Artificial Flavours Fool Our Taste Buds?
Episode 13
How Is Snow Manufactured?
Episode 14
How Are Athletes Timed In A Race?
Episode 15
How Do Bulletproof Vest Work?
Episode 16
Why Do Some People Wear Glasses?
Episode 17
Why Is The Ocean Salty?
Episode 18
What Are The Pros And Cons Of Being A Vegetarian?
Episode 19
How Do We Determine The Age Of Dinosaurs?
Episode 20
Why Is Gold So Valuable?
Episode 21
Why Does Fluoride Prevent Cavities?
Episode 22
What Is A Computer Virus?