It may strike you as surprising, but water wasn’t always something that the Earth just had plenty of; there was a time, way back in the past, when the Earth was a hot wasteland of boiling lava and vaporized rock. Something happened, however, that suddenly gave our planet the chemical that grants it its distinct blue color—and that’s the part where scientists are still searching for answers.
Related Posts
Behind the Scenes at the Nobel Prize Ceremony
Periodic Videos recounts their experience attending the 2024 Nobel Prize ceremony in Stockholm, including the stringent rules, grand…
Jets from powerful black holes can point astronomers toward where − and where not − to look for life in the universe
Black holes, like the one in this illustration, can spray powerful jets. S. Dagnello (NRAO/AUI/NSF), CC BY-SA David…
Fungi could be the next frontier in fire safety
Shutterstock Tien Huynh, RMIT University; Everson Kandare, RMIT University, and Nattanan Chulikavit, RMIT University Australia is no stranger…
Mass starvation, extinctions, disasters: the new IPCC report’s grim predictions, and why adaptation efforts are falling behind
Mark Howden, Australian National University; Joy Pereira, Universiti Kebangsaan Malaysia (National University of Malaysia), and Roberto Sánchez, Colegio…