Explore a timeline of homind fossils.
Here's how you can model the use of X rays for medical examinations with some sand and a piece of screen.
Specialized cells have a common origin. What sets them on separate paths?
Four exhibits small enough to fit on postcards.
Make a paper model that helps explain the changing tides.
Amino acids and corn syrup combine to create new aromas.
Make a simple musical instrument that sounds like a swarm of buzzing bees when you spin it around.
Heat 'em, beat 'em, or mix 'em up: There are scientific processes at work when you cook with eggs.
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