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Showing 181 to 210 of 9953 results found.
Recorded Voice
Activity
Recorded Voice

Most people abhor the sound of their own recorded voice. So what are these recording devices doing to our voices to make them sound so awful?

Neighbor's Stereo Blues
Activity
Neighbor's Stereo Blues

Why do I hear the bass from my neighbor's stereo, but not the treble?

Earworms
Article
Earworms

Why do some songs get stuck in your head?

Opera singers
Activity
Opera singers

Opera singers carry notes that seem to last forever. How do they do it?

Everybody Gets Lunch
Activity
Everybody Gets Lunch

Sit down for compost tea with a visionary cultivator.

Peter's Savage Garden
Activity
Peter's Savage Garden

Explore the deadly beautiful world of carnivorous plants.

Why Save Seeds?
Activity
Why Save Seeds?

Find out why biodiversity benefits plants and people alike.

Hello Dahlia
Activity
Hello Dahlia

See why these beautiful flowers have attracted generations of admirers.

The Secret Lives of Flowers
Activity
The Secret Lives of Flowers

Take a peek at the colorful world of plant sex.

Garden Variety
Activity
Garden Variety

Discover the uncommon stories behind the most common fruits and vegetables.

Garden Lore
Activity
Garden Lore

The fact and fiction behind some bizarre gardening remedies.

Truckload of Pumpkins
Activity
Truckload of Pumpkins

Meet the competitors and their humongous pumpkins at Half Moon Bay's Great Pumpkin Festival.

Subzero Gardening
Activity
Subzero Gardening

Tour a hydroponic greenhouse in frozen Antarctica.

Can You Believe It? (download)
Activity
Can You Believe It? (download)

Use this desktop widget to view current science news feeds on your computer.

Why are bubbles round?
Activity
Why are bubbles round?

Bubbles are round when they float free through air. But what happens when you pack bubbles together?

Singing in the Shower
Activity
Singing in the Shower

Capture the sound of your beautiful voice by singing into a wok.

Flat Lens
Activity
Flat Lens

A drop of water makes a fine magnifying lens.

Sharing Findings
Activity
Sharing Findings

Explore the elements of a scientific paper.

Building A Virtual Skull
Activity
Building A Virtual Skull

Explore the process of reconstructing a skull as a 3-D model.

Look Inside a Tooth (Interactive)
Activity
Look Inside a Tooth (Interactive)

Zoom into a fossil chimp tooth.

Look Inside a Tooth
Activity
Look Inside a Tooth

Teeth are the most common fossils found. What can they tell us?

Neanderthal Bones
Activity
Neanderthal Bones

Explore the process of extracting DNA from Neanderthal bones.

Hominid Timeline
Activity
Hominid Timeline

Explore a timeline of homind fossils.

Geology for Fossil Hunters
Activity
Geology for Fossil Hunters

Search a geological map of Ethiopia for fossils.

Mutant Fruit Flies
Activity
Mutant Fruit Flies

The fruit flies in this exhibit show just a few of the mutations that occur in natural fruit fly populations.

Which Embryo Is Human?
Activity
Which Embryo Is Human?

Can you tell the difference between human and nonhuman embryos?

The Temple Illusion
Activity
The Temple Illusion

This ancient temple holds a secret...can you reveal the mystery?

Mona
Activity
Mona

Leonardo's famous painting is used in an interesting perceptual experiment.

Trapezoidal Window
Activity
Trapezoidal Window

Sometimes things are not as they appear.

Shimmer
Interactive
Shimmer

Your eye movements make this design seem to shimmer.

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