Ultra-durable crystals called zircons, found in ancient rocks, preserve chemical clues that date back over 4 billion years—revealing evidence of early oceans and continental crust.
Related Posts
Record-Breaking Lightning “Megaflash” Extended for Almost 770 Kilometers
There are few things in nature that evoke as much awe and mystery as a lightning bolt; these…
What is a sinkhole? A geotechnical engineer explains
Francois Guillard, University of Sydney Sinkholes are back in the news after a 13-year-old boy fell down a…
The heroic effort to save Florida’s coral reef from devastating ocean heat
Elkhorn coral fragments rescued from overheating ocean nurseries sit in cooler water at Keys Marine Laboratory. NOAA Michael…
Cyclone Freddy was the most energetic storm on record. Is it a harbinger of things to come?
NOAA / AP Thomas Mortlock, UNSW Sydney On February 4, a storm off the north-west coast of Australia…