Black holes

Unlike stars, the moon and the sun which were probably the first astronomical objects discovered by man, black holes successfully managed to escape our attention until not very long ago.  The reason is not that difficult: the gravitational force of a black hole is so strong that even light cannot escape it. Hence, they remain dark in the sky and cannot be seen.

Do’s and Don’ts of Conversation

Do you have that one person in your friends or relatives who is just so much more fun to talk to? That person that can talk about anything and everything and is never boring? Do you want to know how to be more like that person? Read on to find out. Here we’ve listed a few Do’s and Don’ts that can make you better at conversing.