9:23
Why Do Landslides Happen? Gravity, Water and Slope Failure
28 Minutes Smarter
1:05
Why Do Shadows Get Longer in the Evening?
1:10
Why Rooms Echo: Reflections, Reverberation & Better Acoustics
0:57
Why Sound Travels Faster Underwater
1:04
Why Does an Empty Bottle Whistle?
1:08
Why Sirens Change Pitch as They Pass: The Doppler Effect
0:56
Why Does a Guitar String Change Pitch?
1:01
Why Does a Teaspoon Ring When You Tap It?
1:00
Why Can a Paper Clip Float on Water?
Why Water Climbs a Paper Towel: Capillary Action
1:07
Why Water Beads on Some Leaves (and Spreads on Others)
Why Soap Bubbles Swirl With Color
0:59
Why You Can See Your Breath on a Cold Day
Why Does a Wet Towel Feel Cool?
Why Does a Balloon Stick to a Wall?
Why Is the Ocean Salty? Rain, Rivers, and a Little Oceanic Hoarding
Why Does a Parachute Slow You Down?
1:09
Why Is the Ocean Salty? Rain, Rivers, and Evaporation
1:02
Why Does Snow Look White? The Science of Scattered Light
Why Do Magnets Have Two Poles? Domains, Dipoles & Monopoles
1:11
Why Waves Move Without Taking the Ocean With Them
Why Do Airplane Wings Bend? The Science of Wing Flex
Why Spinning Bicycle Wheels Resist Tipping
1:06
Why Don’t Clouds Fall Out of the Sky?
Why Salt Melts Ice—and Why It Can Get Colder
How Flash Floods Happen So Quickly
8:21
How Noise Cancelling Headphones Work (ANC Explained)
Why Mirrors Seem to Reverse Left and Right
Why Do Airplane Windows Have Tiny Holes?
0:49
Why Does Ice Float on Water?
Does Styrofoam Feel Different by Season? Heat Flow Explained
Why Rainbows Form an Arc (And Why Earth Hides Half)
0:51
Why Static Electricity Makes Your Hair Stand Up
0:47
Why Does a Straw Look Bent in Water? Refraction Explained
Why Is the Sky Blue—and Sunsets Red?
Why Do Geodes Have Crystals Inside?
Why Pumice Floats—Until It Sinks
How a Wire Loop Gets North and South | Magnetic Fields Explained
Why Does a Pencil Leave Marks on Paper?
Why Your Refrigerator Dries Out Uncovered Food