The success or failure of any criminal investigation often depends on the recognition of physical evidence left behind at a crime scene and the proper analysis of that evidence.
The human heart is an amazing pump, it works reliably for decades, and it safely pumps blood—one of the trickiest and most sophisticated liquids around.
Methane is the main ingredient of natural gas and an extremely potent greenhouse gas, far more powerful than carbon dioxide. Over 60% of the total of the methane emitted is from natural sources.
In a world threatened by its own carbon footprint, the forests of the Amazon are its largest absorber of carbon dioxide. Satellites have shown beyond doubt that deforestation in the Brazil’s Amazon jungle has reached a dramatic level.
Every year we buy a new updated electronic equipment and gadgets to support our needs and wishes. Nearly most of the discarded consumer electronics end up in landfills.
Many countries economies’ depend on agriculture and the yield that comes from their soil. When a certain crop is produced on a large scale and sold for profit, it is known as a crash crop.
As new species everyday face the risk of extinction, “survival for the fittest” becomes a bitter reality that cannot be ignored. Although Blue Whales are the largest creatures on Earth.
With the power cuts we have been suffering from, would it not be wonderful if each person generates their own power and not have to rely on the power grid?
When we follow the news pertaining to the environment, if we have any sense of responsibility, we tend to feel guilty and limited. We wish we could help, but we do not know how to do so.
Egypt is a land of exquisite—but fragile—ecosystems, such as The Red Sea coral reef, the wetlands bordering the Nile freshwaters, the bitter lakes, and the coastal lagoons.
The main cause of global warming is the increased emission of what is known as greenhouse gases, in particular carbon dioxide. These greenhouse gases have an average lifetime in the atmosphere of 50 years to 200 years.