Scientists study manta rays' impressive ability to heal

"Whoopi' the manta ray—a regular visitor to Western Australia's Ningaloo Reef—has helped University of Queensland and Murdoch University scientists study rays' impressive ability to heal.

Genome-wide study confirms six tiger subspecies

Fewer than 4,000 free-ranging tigers remain in the wild. Efforts to protect these remaining tigers have also been stymied by uncertainty about whether they represent six, five or only two subspecies. Now, researchers who've ...

Tasmanian tiger just another marsupial in the pouch

Australia's ill-fated Tasmanian tiger looked like any other marsupial when born but assumed dog-like features by the time it left the mother's pouch, scientists said Wednesday in shedding new light on its puzzling evolution.

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