The world nudged closer to an era of Frankenstein science after an animal killed and frozen 16 years ago was cloned. Ethical watchdogs branded the experiment disturbing and warned it could lead to people being 'brought back to life' after decades or centuries in deep freeze. In a pioneering experiment, researchers took tissue from a laboratory mouse frozen in the early 1990s and used it to create a healthy, fully formed clone. Critics warn that the advance could lead to the cloning of historical species such as mammoths and sabre toothed tigers It is the first time scientists have been able to...
photo: Creative Commons / Cream
![A Gerbil is a small mammal of the order Rodentia. Once known simply as "desert rats", the gerbil subfamily includes about 110 species of African, Indian, and Asian rodents, including sand rats and jirds, all of which are adapted to arid habitats. Most are primarily diurnal [1] (though some, including the common household pet, do exhibit crepuscular behavior), and almost all are omnivorous.](http://cdn5.wn.com/vp/i/0a/4c8e954ff3afaa.jpg){kind=small}
