Earth is home to more than 7,000 languages, and we use those languages to express ideas as straightforward as the desire for a cup of coffee and as intricate as the details of quantum physics. But how did language start and when did humans first evolve this ability to use language?When Did Humans Develop Language? The development of human language has long fascinated scholars and linguists. These experts have various perspectives and theories for when humans started speaking and the reasons lang ...read more
Soaring with the birds. Teeth falling out. A crazy psychopath is chasing you. For many of us, our dreams transport us to a surreal world where logic and reason have no reign. Some of us may even look forward to sleep — and the adventures we’ll go on in our dreams. What is it about people who don’t remember their dreams that set them apart from the people who do? Is it possible for the brain to stop producing dreams? And could something be wrong in the brains of people who report never dr ...read more
When Nasa’s New Horizons spacecraft flew past Pluto in 2015, planetary geologists expected a few dull images of a cold, dark icy body on the edge of the Solar System. But Pluto surprised everyone.What astronomers discovered was a complex dwarf planet with a surprisingly varied landscape potted with huge cliffs, deep ravines, enormous mountains all battered by a curious kind of weather with evidence of water plus much more. There is even some evidence of volcanoes on Pluto. These are unlike tho ...read more
Say you’re out walking late at night, and you come across a pair of glowing dots in the distance. Maybe they’ll blink at you, or they’ll just watch quietly. Don’t get too spooked – that’s just an animal looking back at you.It may certainly feel creepy but rest assured that there are no ghostly forces behind those uncanny lights. The reason behind this phenomenon is much simpler: It’s the result of evolutionary mechanisms which allow certain species to see better in the dark.Why Do ...read more
The leaves are changing, a chilly autumn wind is blowing and front porches host bright orange pumpkins. As Halloween or All Hallow's Eve — whichever you prefer — draws near, the pumpkin starts to show itself everywhere. But have you ever wondered why? Take a look at the lore behind Jack-O-Lanterns, the health benefits of pumpkins and how some farmers can grow these massive gourds.Where Did Jack-o'-Lanterns Originate?(Credit:Stock Holm/Shutterstock)Jack-o'-Lanterns get their roots from an I ...read more