General Science

Are we alone?

Have you ever looked up at the night sky and wondered: are we alone in the universe? If intelligent extraterrestrial life is likely to exist, then why haven’t we found any evidence of it? The contradiction between the high probability of extraterrestrial civilizations and the lack of observational evidence is known as the Fermi Paradox.

SOS: The message that means nothing

Have you ever wondered what you can do to call for help when you are stranded on a deserted island with no phone or internet? You have probably heard of SOS, the international distress signal used during emergencies. But what does it actually mean?