Science

What are equinoxes? What causes these astronomical events? Find out how they affect the seasons and hours of daylight on each planet. Every six months, once in March and again in September, an equinox splits Earth's day almost in...

Since knowledge of English is essential in the job market and in international contacts, the demand for teachers has increased. Thanks to them, learning and acquiring vocabulary, grammar or working on your accent can become much easier. Are you...

More than twenty-first centuries ago, Greece developed a mechanism of incredible ingenuity for the time, a device that indicated exactly what the sky would look like in the coming decades - the position of the sun and moon, the...