Fires, then floods: How much can a koala bear?

A week ago, koalas at an Australian wildlife park were in the path of raging bushfires. On Friday, they were soaking wet and being carried to safety from flash floods.

Desert rhubarb -- a self-irrigating plant

Researchers from the Department of Science Education-Biology at the University of Haifa-Oranim have managed to make out the "self-irrigating" mechanism of the desert rhubarb, which enables it to harvest 16 times the amount ...

16 dead in Kentucky flooding, toll expected to rise

Search and rescue teams were using boats and helicopters on Friday to look for survivors of flash floods caused by torrential rains which killed at least 16 people in the Appalachia region of eastern Kentucky.

Lake Tahoe's clarity improved dramatically over past year

The famed cobalt blue waters of Lake Tahoe became more clear last year, gaining 10 feet in visibility from the year before, according to a new study released Thursday by scientists at the University of California, Davis.

Indian flood toll up to 77 as waters recede

At least 77 people are confirmed dead in the floods that hit India's northeast, authorities said Sunday, with destroyed roads and bridges leaving thousands more still cut off despite waters receding.

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