LONDON - A MIXED-race British couple has defied the odds - twice - by producing two sets of twins in which one sibling appears to be black and the other white.
WASHINGTON - US GOVERNMENT researchers have spotted 44 right whales in the Gulf of Maine this week, perhaps evidence of a new breeding ground for the endangered species.
SYDNEY - A SHARP slowdown in coral growth on Australia's Great Barrier Reef since 1990 is a warning sign that precipitous changes in the world's oceans may be imminent, scientists said on Friday.
Strong evidence points to the cause being a combination of warmer seas and higher acidity from increased levels of atmospheric carbon dioxide, Australian Institute of Marine Science researchers reported.
SYDNEY - AUSTRALIAN researchers funded by US billionaire Bill Gates on Friday claimed a breakthrough which could help in the fight against dengue fever by stopping the often deadly disease in its tracks.
University of Queensland researchers said they have successfully infected the mosquito which spreads the tropical disease with a bacterium which halves its 30-day lifespan, thereby reducing its ability to transmit dengue to humans.
