Contaminants also a threat to polar bears

The polar bear (Ursus maritimus), one of the largest carnivorous mammals on Earth, is vulnerable to a series of dangers. An international team has established a guide to evaluate the condition of its health, and although ...

DNA 'nanotransporters' to treat cancer

A team of Canadian researchers from Université de Montréal has designed and validated a new class of drug transporters made of DNA that are 20,000 times smaller than a human hair and that could improve how cancers and other ...

Bonobos stay young longer

Despite the fact that chimpanzees and bonobos share similar starting conditions at birth they develop different behavioural patterns later in life. These differences might be caused by different hormone levels. Researchers ...

Detecting thyroid disease by computer

Researchers in India have developed an improved expert system for the diagnosis of thyroid disease. They describe details of their approach to screening medical data in a forthcoming issue of the International Journal of ...

Zebrafish stripped of stripes

Within weeks of publishing surprising new insights about how zebrafish get their stripes, the same University of Washington group is now able to explain how to "erase" them.

Effect of environmental contaminants on the health of pet cats

Companion animals are in close contact with human surroundings, and there is growing concern about the effects of harmful substances on the health of pet cats. This study investigated the potential health effects of organohalogen ...

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