Science

Silver is the only catalyst that allows the conversion of ethylene into ethylene oxide, which then undergoes hydrolysis to produce ethylene glycol, used to produce polyester.

Dry eye syndrome is caused by insufficient quantity or quality of tears, which prevents the proper lubrication of eyeballs. It causes excessive watering of the eyes, as a response to the irritation.

It resembles the one 12.8 billion years ago and will continue to look like this for the next billions of years.

Due to the dense atmosphere and its distance from the Sun, only 1% of the amount of light that reach ...

A less official classification groups fungi due to: Thallus form - large-fruited fungi and microsco ...

Previously, it was believed that it could be part of the Earth's atmosphere or underexposed stars (it was believed that stars shine with light reflected from the Sun) that were in the Earth's shadow.

This is followed by wasteland and wilderness (24 to 31 percent), human forests (16 to 27 percent), arable farms (12 to 14 percent), and infrastructure (1 percent).

Its importance in medicine lies in the use of strong antibacterial properties. Before antibiotics were available, silver compounds were used to prevent infections during World War I.

Out of 11, four were test flights, six ended up delivering men to the Moon, and one had failed to accomplish its goal.

In nature, it occurs in large quantities in basically only three allotropic varieties: graphite, dia ...