Search results for polycyclic aromatic:
Spitzer Searches for the Origins of Life
Jun 13, 2007 |
3.3 / 5 (3) |
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Astronomers suspect the early Earth was a very harsh place. Temperatures were extreme, and the planet was constantly bombarded by cosmic debris. Many scientists believe that life's starting materials, or building ...
Mars Rover device gets new mission on Earth
Chemistry / Analytical Chemistry
Feb 05, 2009 |
5 / 5 (1) |
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Developed to sniff out extraterrestrial life on other planets, a portable device known as the Mars Organic Analyzer (MOA) is taking on a new role in detecting air pollutants on Earth. Researchers in California ...
Smokeless tobacco called 'moist snuff' is contaminated with harmful substances
Dec 03, 2009 |
2 / 5 (1) |
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A new study on the smokeless tobacco product called moist snuff — placed between lip and gum — has led scientists in Minnesota to urge the tobacco industry to change manufacturing practices to reduce snuff's ...
Spitzer Reveals 'No Organics' Zone Around Pinwheel Galaxy
Jul 21, 2008 |
4 / 5 (16) |
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(PhysOrg.com) -- The Pinwheel galaxy is gussied up in infrared light in a new picture from NASA's Spitzer Space Telescope.
Bioavailable contaminants come from the Exxon Valdez oil catastrophe
Aug 31, 2009 |
1 / 5 (1) |
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Contaminants from natural coal deposits in the Gulf of Alaska are not easily bioavailable, unlike the crude oil from the Exxon Valdez tanker catastrophe. This clearly disproves the theory that natural coal ...
Impacts of fossil fuels on fish and people
Feb 16, 2008 |
3.8 / 5 (4) |
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NOAA scientist John Incardona will tell a scientific detective story that uncovers a previously unrecognized threat to human health from a ubiquitous class of air pollutants.Incardona's presentation delves into how one type ...
New study expands the list of hazardous chemicals in smokeless tobacco
Aug 16, 2009 |
not rated yet |
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Attention all smokeless tobacco users! It's time to banish the comforting notion that snuff and chewing tobacco are safe because they don't burn and produce inhalable smoke like cigarettes. A study that looked ...
A child's IQ can be affected by mother's exposure to urban air pollutants
Jul 20, 2009 |
4 / 5 (8) |
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A mother's exposure to urban air pollutants known as polycyclic aromatic hydrocarbons (PAHs) can adversely affect a child's intelligence quotient or IQ, a study reports. PAHs are chemicals released into the air from the burning ...
Researchers looking at light-induced toxins in air and water
Feb 17, 2009 |
3 / 5 (1) |
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Is the air we breathe on a daily basis slowly killing us? It may not be that severe, but the air we breathe and water we drink may be more harmful than we realize.
Life's Building Blocks Are Common In Space
Oct 11, 2005 |
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A team of NASA exobiology researchers revealed today organic chemicals that play a crucial role in the chemistry of life are common in space. "Our work shows a class of compounds that is critical to biochemistry is ...
Seagull blood shows promise for monitoring pollutants from oil spills
Jan 14, 2008 |
4 / 5 (1) |
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Like the proverbial coal miners’ canary-in-the-cage, seagulls may become living sentinels to monitor oil pollution levels in marine environments, report scientists in Spain. Their study is scheduled for the ...
Making sure the wonder materials don't become the wonder pollutant
Apr 08, 2008 |
4.7 / 5 (7) |
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Carbon nanotubes are 10,000 times thinner than a human hair, yet stronger than steel and more durable than diamonds. They conduct heat and electricity with efficiency that rivals copper wires and silicon chips, with possible ...
Pregnant women pass on the effects of smoking
Nov 22, 2007 |
2.4 / 5 (5) |
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Smoking during pregnancy has many adverse effects on fetal development. A new study in mice by Andrea Jurisicova and colleagues at the University of Toronto, Canada, now adds the possibility that smoking before pregnancy ...
Cosmic Cockroaches
Sep 03, 2007 |
4.3 / 5 (22) |
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Starved. Stomped. Radiated. Poisoned. It's all in a day's work for the common household cockroach. The abuse these creatures can withstand is amazing.
Young Galaxies Were Hostile To Life
Mar 17, 2006 |
3.5 / 5 (12) |
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Scientists said Tuesday they have found evidence that the earliest galaxies in the universe could have been extremely hostile environments for life.
