Science News Archive - July 05, 2009
Japanese honeybees use heat and carbon dioxide to kill their natural predator, the giant hornet.
California tiger salamanders face a threat from a hybrid relative as well as from over development and pollution, researchers said. Very little development threatened the amphibians 60 years ago when commercial bait sellers in California imported barred tiger salamanders from Texas, a biologist from the University of California Davis told the San Francisco Chronicle.
- A landsman who is making his first voyage at sea; a novice who enters naval service from rural life.