La invención de la brújula y su uso para orientarse (marcando la dirección fija del Norte del planeta) data de hace cientos de años y fue clave en el desarrollo de la navegación y en la exploración del mundo.
Snakes are a very large group of long reptiles. There are over 2,500 different species of snakes on our planet. Snakes live in a variety of land and water habitats. The most abundant snakes and the largest snakes are found in tropical climates such as rainforests.
MSN: Is fear of flying getting worse? The rise in anxiety after high-profile plane crashes
After the tragic Air India plane crash that killed at least 270 people last week, passengers have taken to social media to voice their concerns over flying having seen the events unfold in Ahmedabad.
Is fear of flying getting worse? The rise in anxiety after high-profile plane crashes