In a finding that challenges the increasingly popular belief that smoking marijuana is less harmful to health than smoking tobacco, researchers in Canada are reporting that smoking marijuana, like smoking tobacco, has toxic ...
Biochemistry
Aug 5, 2009
18
1
(PhysOrg.com) -- While current cigarettes are made with a filter created from cellulose acetate which absorbs things like nicotine, tar, and polycyclic aromatic hydrocarbons, Chinese researchers have discovered that nanomaterials ...
Back in the bad old days when teenagers smoked cigarettes to be cool, it wasn't unusual for a teenage girl to surreptitiously pocket a cigarette butt left behind by a boy she had a crush on.
Environment
Sep 6, 2013
5
0
The Philippines has launched a new campaign promoting tobacco -- not for smoking but for fish farming, a government tobacco agency official said Thursday.
Ecology
Jan 19, 2012
0
0
Atmospheric oxygen facilitated the evolution and complexity of terrestrial organisms, including human beings, because it allowed nutrients to be used more efficiently by those organisms, which in turn were able to generate ...
Biochemistry
Apr 23, 2012
2
0
Ever walked into a hotel room and smelled old cigarette smoke? While the last smoker may have left the room hours or even days ago, the lingering odors—resulting from noxious residue that clings to walls, carpets, furniture, ...
Environment
Nov 3, 2014
5
1
Even in trace quantities, the radioactive gas radon is very dangerous; it is second only to cigarette smoking as a cause of lung cancer deaths in the United States. The expense and precautions necessary to study it safely ...
Materials Science
Jul 30, 2011
0
0
Cigarette smoking is a major risk factor for emphysema, one of the leading symptoms of chronic obstructive pulmonary disease (COPD). Each year, this deadly condition kills more than three million people worldwide. Yet, despite ...
Biochemistry
Oct 19, 2012
0
0
Saturn's F ring is certainly a curious structure. Orbiting the giant planet 82,000 kilometers above its equatorial cloud tops, the F ring is a ropy, twisted belt of bright ice particles anywhere from 30-500 km wide. It can ...
Space Exploration
Jun 3, 2013
7
0
(PhysOrg.com) -- Despite scientific evidence of climate change, it will take a significant cultural shift in attitudes to address the situation, says a University of Michigan researcher.
Social Sciences
Oct 27, 2010
114
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