There have been four new cases in China where people were infected with the lesser-known H7N9 bird flu that has already killed two, bringing the total of known cases to seven.
About 1000 landbird species (birds that don’t perch) have disappeared as humans advanced in the most recently colonized regions on Earth, a new study suggests.
Evolution is considered a work in progress in a constantly shifting landscape.
Researchers found that cockatoos have self restraint, a trait more commonly associated with humans.
When many of us think of public displays of affection, we think of 13-year-olds creating Facebook statuses about how they will be together forever.