Science

Thumbnail image for Black Holes: Gravity’s Relentless Pull

Black Holes: Gravity’s Relentless Pull

Black Holes: Gravity’s Relentless Pull Black holes are out there. But what are they? The mass of the Earth creates the gravity that pulls things to the ground. With enough [...]

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CELL SIZE AND SCALE

CELL SIZE AND SCALE Some cells are visible to the unaided eye The smallest objects that the unaided human eye can see are about 0.1 mm long. That means that [...]

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Thumbnail image for Cosmic Perspective – Orbits and Kepler’s Laws

Cosmic Perspective – Orbits and Kepler’s Laws

Cosmic Perspective – Orbits and Kepler’s Laws If you look at Mars or Jupiter every night for a few weeks, you will see that they move with respect to the [...]

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Physics 2000

Physics 2000 This section of Physics 2000 focuses on modern technological wonders. Some of them will be rare and expensive devices, but others will be common tools and appliances that [...]

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St. Mary’s Physics Online

St. Mary’s Physics Online Interactive science elearning and activities. View the project

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Interactive: SWINE FLU

Interactive: SWINE FLU Some pharmacists are seeing a shortage of the children’s version of the flu drug Tamiflu. Tamiflu is one of two drugs that works against swine flu. It’s [...]

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Thumbnail image for 50 Years of Protein Structure Determination

50 Years of Protein Structure Determination

50 Years of Protein Structure Determination View the interactive timeline  

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Solar System Jigsaw

Solar System Jigsaw Build the Solar System, from planets to space probes. View the interactive game and puzzle

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Thumbnail image for Lightning: a step-by-step process

Lightning: a step-by-step process

Lightning: a step-by-step process Capable of lighting up the night sky, a lightning strike is the result of complex interactions of electrical charges within a thunderstorm. Lightning can pack an [...]

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Meet the Next Shuttle Crew

Meet the Next Shuttle Crew Three months after its external fuel tank took thousands of dings and pockmarks from the golf-ball-size hailstones of a freakish winter storm, the space shuttle [...]

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Want to Be a Superstar Athlete? Build More Myelin

Want to Be a Superstar Athlete? Build More Myelin While favorable genetics and a well-conditioned body are essential, some scientists believe that physiological changes in the brain that take place [...]

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