Scientists from the USA have come to the conclusion that the surface with the most bacteria contamination of those with which people come into contact in everyday life is the handles of gas station taps.
In the ocean, bacteria stick to tiny carbon-rich particles that sink to the depths - mostly tiny marine plants that have given up the ghost or the excrement of zooplankton that have feasted on the microflora.
The cooling of the climate in Europe at the end of the 16th century led to an economic crisis, plague epidemics and famine, and as a result of chronic malnutrition, people's height decreased by 2 centimeters over 100 years.
Australia's koalas are at greater risk of extinction than ever before and should be classified as vulnerable, scientists who carried out a study commissioned by the Australian government have said.
Climatologists' mathematical models show that global warming will slow down and temperatures will stabilize in the next ten years. Scientists associate this climate behavior with the ocean's absorption capacity...