Helgi Hjorleifsson, a firefighter, is a leader in a national experiment to steer rivers of lava away from important sites.
LEGAZPI CITY — Mayon Volcano has ejected 40 million cubic meters of volcanic material since its eruption intensified after Alert Level 3 was raised on January 6, the Philippine Institute of ...
BUFFALO, N.Y. — Rocky pillars dotting Iceland’s Skaelingar valley were projectiles tossed into the fields by warring trolls. That, at least, is the tale that University at Buffalo geologist Tracy ...