Giant rat discovered

In this undated photo released by Conservation International, mammalogist Martua Sinaga holds a 1.4 kg giant rat that is probably a species new to science, in Foja mountains in Indonesia's easternmost Papua province, Indonesia.

Researchers in a remote jungle in Indonesia have discovered a giant rat and a tiny possum that are apparently new to science, underscoring the stunning biodiversity of the Southeast Asian nation, scientists said Monday, Dec. 17, 2007.