Industries in Depth
A surprising new source of fuel: your leftovers
A two-step method can speed up the process of making biofuel from food waste while reducing carbon use, new research suggests.
Blaine Friedlander is a member of the press office at Cornell University.
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Climate Action
Rising sea levels could make one fifth of the world's population refugees by 2100
In the year 2100, 2 billion people—about one-fifth of the world’s population—could become refugees due to rising ocean levels.
Alien encounter? Maybe, but not for 1,500 years
Extraterrestrials may one day try and get in touch with us, but astronomers say it's unlikely to happen for at least 1,500 years.