It never rains in California, so instead it burns—often—with prime fire conditions likely to persist until rainstorms arrive.
Environment
Nov 15, 2018
0
12
(Phys.org)—Native American hunter-gatherers living more than a thousand years ago in what is now northwestern California ate salmon, acorns and other foods, and now we know they also smoked tobacco—the earliest known ...
Archaeology
Mar 1, 2013
0
0
Black carbon pollutants from wood smoke are known to trap heat near the earth's surface and warm the climate. A new study led by McGill Professor Jill Baumgartner suggests that black carbon may also increase women's risk ...
Environment
Aug 25, 2014
2
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 ...
In a study analyzing the genomes of 210,000 people in the United States and Britain, researchers at Columbia University find that the genetic variants linked to Alzheimer's disease and heavy smoking are less frequent in people ...
Evolution
Sep 5, 2017
2
132
Setting off smoke bombs is more than good fun on the Fourth of July. The military uses smoke grenades in dangerous situations to provide cover for people and tanks on the move. But the smoke arms race is on. Increasingly, ...
Materials Science
Mar 18, 2018
3
128
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
In a laboratory study pairing food chemistry and cancer biology, scientists at the Johns Hopkins Kimmel Cancer Center tested the potentially harmful effect of foods and flavorings on the DNA of cells. They found that liquid ...
Biochemistry
Mar 27, 2013
11
0
(Phys.org)—Back in the early thirties, the story goes, a couple of unknown chemists set about betting one another as to whether they could remove the water from a jelly that had been gelled with pectin, without causing ...
Epigenetics, the chemical mechanisms that control the activity of genes, allows our cells, tissues and organs to adapt to the changing circumstances of the environment around us. This advantage can become a drawback, though, ...
Cell & Microbiology
Nov 2, 2023
0
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