Indoor plants do not really purify the air

It would take between 100 and 1000 plants per square meter of floor space to compete with the purification capacity of a building's air treatment system or even a few windows open in a home, say US scientists. Dr. Michael...

Masks hard to distinguish from human faces

Silicone masks have become so realistic that they are more and more difficult to differentiate from real human heads, show the results of a British study. In fact, these plastic masks imitate not only the face of a person, but...

Newly discovered Galaxy Cluster Almost As Old As The Universe Itself

During the 13.78 billion years of existence, the Universe had been through countless changes, and it will keep continuing that way. Its expansion due to the Big Bang seems endless. But we humans have the privilege to live at the...

Four in five teens do not exercise enough: WHO

Some 81 per cent of students aged 11 to 17 around the world have low levels of physical activity, according to a World Health Organization (WHO) study. This is the most ambitious study to date, covering 1.6 million young people...

Water detected on an exoplanet in habitable zone

Steam is in the atmosphere of the exoplanet K2-18b, say Canadian and American astronomers, who also believe that it could even have clouds of liquid water. This planet, detected in 2015, has been of interest to astrophysicists since its discovery...