By most standards, Earth has seven continents – Africa, Antarctica, Asia, Australia/Oceania, Europe, North America, and South America. A group of geologists believes we should recognize an eighth. Earth’s “hidden” continent, they say, is a mostly submerged land mass beneath New Zealand and New Caledonia – an elevated part of the ocean floor, about two-thirds the size of Australia – nicknamed Zealandia.
Tonight – March 1, 2017 – look in your western sky for the waxing crescent moon and the dazzling planet Venus some 20 minutes (or less) after sunset. These two luminaries will pop out almost immediately after sunset because the moon and Venus rank as the brightest and second-brightest celestial bodies of nighttime, respectively. Then as dusk turns into night, seek out another bright planet, even closer to tonight’s moon than Venus. That second planet is Mars. A third planet, Uranus – a world barely within the limit for viewing with the eye alone – is very nearby.
Observations over millenia and numerous experiments claim that warmer water freezes faster than cold water under identical conditions. Continue reading
Bat-bot could one day aid in search and rescue operations. Continue reading