The number of hares in a forest is a good indicator of how healthy that ecosystem is -- and now there's a better way to find out. A new study shows recently developed camera-trapping methods could be ...

A new study by the ICTA-UAB establishes that the population density of hunter-gatherer groups was reduced where they depended heavily on meat to survive. Hunter-gatherer populations with a strong ...

Viruses are thought to frequently kill their host bacteria, especially at high microbial density. A state called lysogeny, in which viruses lie dormant but don't kill their hosts, has been thought to ...