Physical Science

The Remarkable Discoveries of Fritz Zwicky

July 2, 2012 by Mark Egdall 2 Comments

Zwicky was first to discover galaxies form in clusters - small portion of Coma Galaxy Cluster shown here. NASA Image by Hubble.

Fritz Zwicky was the first astronomer to propose the existence of dark matter, supernovas, neutron stars, galactic cosmic rays, gravitational lensing by galaxies, and galaxy clusters. However, he remains virtually unknown to the public to this day.

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Filed Under: Astronomy

Biofuels Production and Greenhouse Gases Emissions

July 1, 2012 by Clara Piccirillo, PhD Leave a Comment

Want to prevent climate change? A recent study shows that growing biofuel crops to limit greenhouse gas emissions from burning fossil fuels may not be as effective as you’d think.

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Filed Under: Climate Change Tagged With: biofuel, biomass, climate change, co2, fertilizers, greenhouse gases, N2O

Tropical Storm Debby is a Persistent Guest in the Southeastern United States

June 25, 2012 by Tricia Edgar Leave a Comment

Storm surges will batter the Florida coast on Monday. Image Credit: Stock Exchange

Forecasts show Tropical Storm Debby striking the Florida coast on Monday, June 25, 2012. Will Debby’s lingering impact cause flooding similar to the storms of 2005?

Filed Under: Headlines, Meteorology Tagged With: hurricane, tropical storm, tropical storm debby

New Study Uses Satellite Data to Revise Estimates of Tropical Deforestation

June 21, 2012 by Jennifer Young Leave a Comment

New research calcualtes the extent of the earth's tropical forests (photo by Michael Cory)

Satellite data shows that carbon emissions affecting tropical deforestation may be lower than thought. Does this mean that we’re in the clear as far as climate change? Unfortunately, no.

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Filed Under: Climate Change, Headlines Tagged With: climate change, deforestation, estimating deforestation, extent of deforestation, tropical rainforests and carbon dioxide

Innovative Treatment Reduces Ice Formation on Metal Surfaces

June 19, 2012 by Clara Piccirillo, PhD Leave a Comment

The formation of ice can cause problems. Photo by christmastockimages.

Harvard researchers have developed a system called SLIPS to reduce ice formation on metal surfaces, even in high humidity and low temperatures.

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Filed Under: Headlines, Materials Science Tagged With: ice formation, ice-repellent surface, icephobic, lubricant, SLIPS

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The Remarkable Discoveries of Fritz Zwicky

Biofuels Production and Greenhouse Gases Emissions

Tropical Storm Debby is a Persistent Guest in the Southeastern United States

New Study Uses Satellite Data to Revise Estimates of Tropical Deforestation

Innovative Treatment Reduces Ice Formation on Metal Surfaces

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