Particle

A protest is being organized on social networks because of the dirty air in the capital. Its beginning is announced for 12:30 today, reported the Bulgarian National Television. 

Scientists have discovered a secret, giant void hiding inside the Great Pyramid of Giza in Egypt. Located above the pyramid's Grand Gallery, the 30-meter-long void inside Khufu's Pyramid remains a mystery.

Its size suggests it plays an important role in the tomb's structure. It's the first discovery of its kind since the 19th century.

We are physically much closer to the space particles dated back to the birth of the solar system 6.4 billion years ago than we think! In fact we are so close that we can find them on our roof tops. Well, not exactly, as they are too small to detect. But scientists have discovered cosmic dust raining down from space on roof tops in three major cities.

The World Health Organisation (WHO) released a report that estimeted 8.2 million people died due to causes linked to air pollution. This number is unfortunately on the rise. The most harmful pollutant for human health is a particle found in smoke, smog, dust and lodges in the lungs causing long term health problems like asthma and chronic lung disease.

The Big Bang theory is the scientifically accepted view as to how the world came into existence around 13,8 billion years ago. Now scientists are suggesting we could be heading for a dramatic cosmic end: the Big Rip! The new theoretical model claims that as the universe expands, so do all elements like galaxies, planets, atomic particles and space time itself.