Killer’ swans make ruckus

LONDON: Dog owners in a town in central England were urged to beware of killer swans after two of their canine friends were drowned by enraged birds. It was reported that a male swan fatally attacked a dog that had dived into a pond, with an animal rights activist describing the behavior as “highly unusual.” Toxic residue home for bacteria YAKIMA, Washington: Scientists have discovered bacteria living in the toxic sediment beneath underground tanks. It was reported that they have leaked radioactive waste at the Hanford

nuclear reservation, home to some of the most highly contaminated soil in the world. The discovery eventually could help researchers better understand how microorganisms can survive severe contaminants and how to use the bacteria to help clean up toxic environments.