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When Should Animals Be Used for Research or Industry Testing?

Science | February 3, 2015 | 53 Comments

When Should Animals Be Used for Research or Industry Testing?

Animal testing in scientific and commercial research has a long and controversial history. When do you think animals should be used for research or industry testing, if ever?

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Career Spotlight: Earth System Scientist and Terrestrial Ecologist

Science | January 28, 2015

Career Spotlight: Earth System Scientist and Terrestrial Ecologist

Meet Jennifer Holm, an Earth system scientist and terrestrial ecologist at Lawrence Berkeley National Laboratory. She uses climate models to study how forests are changing as a result of climate change and how that may impact the future climate.

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Is It Ethical to Colonize Mars? Students Weigh In

Science | January 27, 2015 | 1 Comment

Is It Ethical to Colonize Mars? Students Weigh In

Last month students were asked whether or not it is ethical to colonize Mars via the Mars One mission. In the year 2024, four individuals will leave Earth on a one-way trip to Mars. Every two years after that, four more individuals will join them, beginning the colonization of Mars. Research shows that Mars has […]

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What Is Climate Change?

Science | January 21, 2015

What Is Climate Change?

There’s a lot of talk about climate change in the news, but it’s a topic that can be really hard to understand. What exactly is climate change? Click on the interactive map in this post to see major climate zones in the United States.

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Should Cold Sufferers Wear Medical Masks?

Science | January 20, 2015 | 38 Comments

Should Cold Sufferers Wear Medical Masks?

Every year, millions of Americans come down with a case of the common cold, resulting in many missed days of school and work. Should cold sufferers wear medical masks to help prevent spreading germs? Would you wear one the next time you have a cold?

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How is Waste Converted Into Energy?

Science | January 14, 2015

How is Waste Converted Into Energy?

One way to generate electricity is to burn solid waste, like the material found in landfills. Instead of a traditional landfill, a community might have a waste-to-energy facility that incinerates garbage, transforming chemical energy to thermal energy.

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How Nuclear Reactors Work

Science | January 7, 2015

How Nuclear Reactors Work

Energy sources fit into three main buckets–fossil fuels (coal, oil and natural gas), renewable (e.g. wind, solar, hydroelectric, geothermal, etc.) and nuclear. Nuclear energy is a nonrenewable energy resource because it relies on Earth’s uranium deposits.

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How Solar Power Works

Science | December 30, 2014

How Solar Power Works

Solar power is energy that comes from the sun. This energy can be captured and stored in many different ways. It is the ultimate source for most energy resources.

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How Does Electricity Get to Your Home?

Science | December 23, 2014

How Does Electricity Get to Your Home?

When you flick on a light switch or plug in your computer you’re using electricity. But where does it come from and how does it reach your house?

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What is the Difference Between Power and Energy?

Science | December 17, 2014

What is the Difference Between Power and Energy?

Energy is what makes change happen and can be transferred form one object to another. Power is the rate at which energy is transferred. It is not energy but is often confused with energy.

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