Teens who are “Internet addicts” are twice as likely to become depressed as those who use the web in a more controlled manner, according to a study published this week in the Archives of Pediatric and Adolescent Medicine. The researchers…
A close-up of the asteroid Ryugu. New analysis of space rock samples suggests that water once flowed through its interior. (Image credit: ISAS/JAXA, CC BY 4.0
When creating a regular army and navy, Peter I introduced the regular positions of military priests in the troops. These clergymen were in government service and received monetary allowances on par with junior officers, which significantly distinguished them from ordinary…
Science fiction writers and filmmakers have shown time and again how diverse life can be beyond our planet. They have pushed humanity to lose the ability to admire different biological species and ancient civilizations on Earth. At their instigation, people…
The hippopotamus is one of the symbols of African rivers and lakes. It is not a predator or a “bloodthirsty machine”, but a large herbivorous mammal, whose behavior is determined by territoriality, protection of offspring and competition for resources. At…
Two volcanic lakes on the Chiltepe Peninsula in the Lake Managua region of Nicaragua look remarkably like eyes when viewed from space. But from the ground, they look very different. (Image courtesy of NASA/ISS) AT A GLANCE Where is it?…