Science

Compounds of other heavy metals, such as copper, lead, or mercury, also have such properties, but si ...

Nicotine binds permanently to nicotinic receptors in nerve cells, disturbing their metabolism. Initi ...

This theory assumes that the universe began at a single point the size of a pinhead, which, as a res ...

Although it is not well-remembered, it was the foundation for all space missions.

According to the most common division, there are Europe, Asia, North America, South America, Africa, ...

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.

Its purpose was to set up the first American space station. Skylab successfully operated from May 14th, 1973 to July 11th, 1979, when it disintegrated into the atmosphere.

In ancient Rome, amber dust was mixed with honey to cure a sore throat, while mixed with water was u ...