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Crystal Clear: Celebrating the International Year of Crystallography
What do diamonds, ice, sand, and table salt have in common? Like most solids, they have crystalline structures: they are made up of atoms or molecules arranged in a regular, repeating order. A century...
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Wetlands 1: Marshes and Mud Flats and Bogs, Oh My!
If you live in the Northeast, Midwest, or along the Pacific coast, don’t be surprised if you see small ponds or lakes appear suddenly in your neighborhood during the spring. These are vernal pools –...
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Learning from the 2014 Nobel Prizes
Perhaps the Nobel Prizes recipients don’t make the same headlines as baseball’s World Series challengers, but every October the stories behind their work are just as exciting. These are discoveries,...
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Waves, Particles, and More: The Physical Science of Light
Light is central to all fields of science. It provides the energy that sustains life on Earth and powers numerous modern technologies, from lasers to fiber-optic communications. The United Nations...
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What’s in a Mole?
What’s another name for a mole? Why it’s Avogadro’s number, (6.02 x 1023), a basic unit of measurement of molecules and atoms in chemistry. Celebrate Mole Day on October 23, from 6:02am to 6:02pm using...
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Science and the Flint Water Crisis
The ongoing crisis over lead-contaminated drinking in Flint, Michigan has shocked many Americans. In April 2014 the city switched its drinking water source from the City of Detroit’s system to the...
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Food: Cooking Up a Tasty Lesson
When you think of bringing food into your classroom, go beyond birthday cupcakes and end-of-year pizza parties by using the fascinating science and history behind our food and drink on Learner.org....
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Fahrenheit Follows His Interests: Measuring Temperature
German physicist and engineer Daniel Gabriel Fahrenheit was born May 24, 1686 in Danzig. After his parents died in 1701, he moved to Amsterdam where he developed an interest in making scientific...
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Lessons for Independence Day
As you are enjoying your holiday picnics, parades, and fireworks, reflect on the history and science behind Independence Day. “Revolutionary Perspectives,” of America’s History in the Making, reveals...
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Celebrate Chemistry Week! (Oct 22-28)
Dan Rosenberg of the Harvard University Natural Sciences Lecture Demonstrations Department performs an experiment in Chemistry: Challenges and Solutions. Each year, the American Chemical Society...
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What’s behind the work of the 2017 class of Nobel Laureates?
Gravitational Waves illustration. Most of us would be alarmed to receive a phone call at 5:30 a.m., but if you’re a lifelong researcher every October you dream it might be your phone ringing. The call...
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