20
Oct
2008
Forests aspirin
Curiosity

Of NCAR scientists discovered that plants in a forest respond to stress by producing nuts in significant amounts to a form of aspirin.

Unlike humans, who are advised to take aspirin to decrease a temperature, plants and their ability to produce their own aspirin, leading to the formation of proteins that stimulate the biochemical defense system, says Thomas Karl, NCAR, which led study.

Our measurements show that significant amounts of chemicals can be detected in the atmosphere of the plant response to drought, inadequate temperatures, etc..

NCAR scientists found methyl salicylate in error. Special instruments were placed in a forest near Davis, California, to monitor volatile compounds of some plants. They are important because they can combine with industrial pollution emulsions, and can influence local climate.

When revised measurements found that levels of methyl salicylate rose dramatically when the plants have gone through a period of drought. Instruments mounted on towers about 30 m above the ground measured up to 0,025 mg of methyl salicylate, which increases to 0.09 m2 of forest every hour.

Methyl salicylate has two functions, one of which is to stimulate the plant defense system also may be a mechanism to communicate to neighboring plants, warning of danger.

Source www.ucar.edu

Photos
Top
See also
Top
Curiosity
Rice plants resistant to arsenic

Rice is the raw material supply for more than 80% of the world population, although production is declining in Bangladesh, India and parts of East and South Asia, due to toxic levels of arsenic in soil.

 
Christmas tree, legend and history.

Christmas is close and each of us has already chosen a beautiful and richly tree to impodobii, because it is tradition or because we want to feel more Christmas atmosphere. What is really Christmas tree ...? We gathered a few lines from various books about Christmas and imparatasesc them with you.

 
Increased CO2 in the atmosphere

Increased CO2 in the atmosphere is responsible for global warming and rising sea levels.

Climate change, causing rising sea levels, which put wetlands at risk of excessive flooding.

 
25% of global food production may be lost in 2050

25% of global food production may be lost in 2050 due to climate change, degradation of the territory and to reduce the amount of water, said the United Nations.

UNEP (United Nations Program Ambient) - "We need to face not only the way the world produces food but also how it distributed, sold and consumed '- Achim Steiner.

 
Pomegranate - Punica granatum

Uses are numerous, especially in oriental tradition. Pomegranate juice is a common drink, rich in fiber, potassium and vitamin C. This juice is called granatina thick and sweet, syrup used in the past for the preparation of cocktails. Juice is also used as an antiseptic and if light is applied to wounds.

 
   Add to iGoogle
Last posts

Categories

Links