![The law explains why sometimes we say we want to achieve something but give up a few days later](https://scienceinfo.net/img/no-image.png)
People love challenges, but on the condition that the challenge does not exceed the maximum difficulty they can tolerate.
![Life may start on Venus](https://scienceinfo.net/img/no-image.png)
A new theory states that if conditions change only slightly, lush life can exist on Venus, thereby causing the Earth to become a dead planet.
![Index system to search for life outside the Earth](https://scienceinfo.net/img/no-image.png)
Astronomers have developed an index system of elements of a planet, helping to assess and classify the potential of life there.
![Scientists call for active contact with aliens](https://scienceinfo.net/img/no-image.png)
American space experts say it is time for people to actively communicate with aliens, not just receiving signs of extraterrestrial life.