Russia forecasters warn over Siberia forest fires

The vast Russian region of Siberia will face hot and dry weather this year leading to more forest fires, forecasters said on Tuesday, linking the blazes to climate change.

Dry ice, the unsung hero of the COVID-19 vaccine rollout, explained

Robert Levis dumped chunks of a whitish substance into a beaker of water, and immediately the liquid began frothing and churning like a sorcerer's potion, spewing plumes of fog across the table of his office at Temple University.

page 20 from 40