The looming threat over Mexico City
A study on the 2017 quake that killed 300 in Mexico City finds that both its location and cause were unusual. And seismologists say that rare bending earthquake could repeat…
What Stephen Hawking did
Though confined to a wheelchair, the scientist’s mind ranged restlessly across the universe, and broke original ground with his work on black holes Christoph Adami, Michigan State University Mathematical physicist…
Quake sensors can’t see water
Researchers thought they could detect water with a seismograph, but there was no link between how much there was in a sample and how fast seismic waves went through it…
‘A manifestation of amazing willpower’
Cosmologist and colleague Martin Rees looks back at the life of Stephen Hawking – one of spectacular success against all odds Martin Rees, University of Cambridge Soon after I enrolled…
Caves may suck up methane
There is evidence that the porous karst, formed by soluble minerals, absorbs more of the greenhouse gas than it releases Laura G Shields | Earth & Space Science News Caves…