The authoritative guide to ensuring science and technology make life on Earth better, not worse.

Watch the 2025 Doomsday Clock announcement on January 28


Mario Koran

Mario Koran is a West Coast reporter for Guardian US.


Articles by Mario Koran

dolphins swim at night, bioluminesce

The latest challenge to enforcing coronavirus rules at the beach: bioluminescent dolphins

By Mario Koran | Climate Change