Tag: ultraviolet radiation
Sunscreen: how to choose?
In high doses, the ultraviolet radiation that comes to us from the sun has harmful effects on our body. This can lead to serious skin cancers. To protect us while…
A carbon signature detected on Mars could be of biological origin
Carbon is at the heart of life. But not only… So when astronomers get their hands on a rather special form of carbon on Mars, they consider that it could…
Mars: does this carbon signal detected by Curiosity betray the presence of life?
Carbon is at the heart of life. But not only… So when astronomers get their hands on a rather special form of carbon than the planet Mars, they consider that…