Archives for posts with tag: rat

A prosthetic chip has sent signals to the brain in response to light in partially-sighted rats, and could mean hope one day for people losing their sight through diseases that damage the retina, like macular degeneration.

A newly discovered Indonesian rat, Paucidentomys vermidax, is the only rodent found with no back teeth. Its front teeth are double-pointed bicuspids – this may be to help it tear up its diet of earthworms.

Read the original paper in Biology Letters.

A rat that lived on East Timor probably weighed about 6 kg and became extinct around 1000 to 2000 years ago.  The biggest rats still living weigh up to 2 kg and live in the Philippines and New Guinea.

%d bloggers like this: