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Transit of Venus will be the Last One for More Than a Century
Venus will repeat its 2004 transit on June 5 and 6, 2012. Transits of Venus are rare. For those who miss the June 2012 event, the next one will be in 2117.
Apr 18, 2012
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Harvey Craft
What Are the Advantages and Disadvantages of Series Hybrid Cars?
Hybrid cars offer an imperfect solution toward reducing greenhouse gas emissions. While fuel efficient, their use may have unintended consequences.
Apr 17, 2012
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Chris Dinesen Rogers
Little Known River Dolphin May be Most Vulnerable to Extinction
New findings suggest that South America's La Plata River dolphin, or Franciscana, is more seriously endangered than present IUCN evaluation indicates.
Apr 17, 2012
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Dawn M. Smith
Butterflyfish, The Canary on the Reef
Flitting boldly about the world's coral reefs, the vibrantly coloured and charismatic butterflyfish are helping provide an early warning system.
Apr 16, 2012
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Sarah Curran-Ragan
Why Are We Here? The Just-Right Efficiency of Fusion
The fusion of hydrogen to helium that powers the stars proceeds at a precise rate. A little faster or slower and there'd be no life in the universe.
Apr 13, 2012
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Jon Plotkin
April's Lyrid Meteor Shower: Debris from Comet Thatcher
April 21 and 22 will be alight with the Lyrid meteor shower, an annual shower that occurs as a result of Comet Thatcher's orbit past Earth.
Apr 12, 2012
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Kitty Grey
Grocery Green: Plastic versus Mesh Produce Bags
While you may be using cloth bags when shopping, you can take going green one step further by using mesh bags instead of plastic for produce.
Apr 11, 2012
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Chris Dinesen Rogers
The Helium Shortage and Other Helium Facts
Helium is most commonly known as the gas used to fill lighter than air balloons. However, helium is more than a novelty and it's getting scarce.
Apr 10, 2012
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Harvey Craft
The Women of Alchemy: Protochemistry's Female Seekers
Centuries ago, women practiced distillation and other alchemical arts; largely forgotten, they were pre-science pioneers and foremothers of today's chemists
Apr 10, 2012
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Amy Sillup
Lenticular Clouds in a Connemara Landscape
When warm air rises slowly over colder air in mountainous areas, clouds are formed with a smooth edge which are shaped like a giant lens.
Apr 10, 2012
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Michael Manning
Towards the Edge of the Known Universe
Mapping the position of 1.6 million galaxies within 1.3 billion light-years of the Milky Way reveal they cluster like grains of dust on a spider's web.
Apr 10, 2012
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Michael Manning
Problems in the Coordination of Movement and Speech Impairment
A condition known as a ataxia can cause complications in the coordination of movement and/or paralysis, as well as speech and/or swallowing impairment.
Apr 9, 2012
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Dinah JL Novak
The Importance of Reducing Electrical Noise Pollution
Noise pollution can adversely affect both humans and wildlife. Even common household noises can have serious health impacts.
Apr 9, 2012
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Chris Dinesen Rogers
Impacts of Garbage on Health and Environment
Garbage collected in our surroundings can be a severe threat to our health and environment. Reduction in amount of garbage is the most effective remedy.
Apr 8, 2012
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Zeeshan Amin
Exploring Polyamides: Kevlar and Nylon
Copolymers Kevlar and nylon both use amide bonds to link monomers together; each plays very distinct roles in the first and second "polymer centuries"
Apr 4, 2012
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Amy Sillup
Six Exotic Planetary Nebulae in the Milky Way Galaxy
Located from two thousand light-years to seven thousand light-years from Earth are some visually spectacular planetary nebulae in our Milky Way Galaxy.
Apr 4, 2012
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Michael Manning
How Changing Diet Patterns Affect Climate Change
An increase in consumption of meat and animal products has driven a rise in farm animal populations. This can feed an increase in greenhouse gas emissions.
Apr 3, 2012
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Chris Dinesen Rogers
The Flat Earth Presumption
The Earth was once believed to be flat. How did that specific idea first come about?
Apr 3, 2012
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Robert White
Forensic Nursing SANE Nurse
A SANE nurse is a forensic nurse specially trained to treat and collect evidence from a sexual assault victim.
Mar 31, 2012
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Erika Lyn Smith
Pocket Sky Atlas Challenges for April
Sky and Telescope's "Pocket Sky Atlas" is a wonderful resource for all amateur astronomers. These challenges are designed for spicing up your observing.
Mar 31, 2012
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John Kulczycki
