Uncategorized
- Humans
Midlife suicides are on the rise
Data gleaned from death certificates indicate that, from 1999 to 2005, middle-aged whites accounted for much of the overall increase in the U.S. suicide rate.
- Physics
Clean coal for cars has a dirty side
Getting liquid fuels from coal would likely increase carbon emissions, and certainly not reduce them.
- Humans
Elephants’ struggle with poaching lingers on
Even as African elephants struggle to recover from decades-old poaching, the animals face new and renewed threats today.
- Life
A more fearsome saber-toothed cat
Analyses of fossils reveal that a third, newly recognized type of saber-toothed cat — one that killed by biting large chunks of flesh from its victim instead of biting its neck and slashing the major blood vessels there —roamed the Americas about a million years ago.
