1.   Caldwell said it was possible that other poisonous frog species in diverse locations like Madagascar and Australia also absorbed toxins from ants and other insects.

2.   Mushroom poisoning occurs when a toxin in the mushroom, amantin, is absorbed from the intestine into the liver.

3.   On reaching the Arctic, the toxins are absorbed by plankton and other microorganisms.

4.   Shellfish are potentially the most dangerous because they most readily absorb whatever toxins or bacteria are in the water.

5.   It has sent a team of experts to Canada to carry out research on a drug for absorbing the toxin under development there, the report said.