Japan Scientists Develop Fearless Mice

Dec 13, 2007 By KAORI HITOMI, Associated Press Writer
Japan Scientists Develop Fearless Mice (AP)
In this undated photo released by Tokyo University's Department of Biophysics and Biochemistry Graduate School of Science, a genetically modified mouse approaches a cat in Tokyo. Using genetic engineering, scientists at Tokyo University say they have successfully switched off the rodents' instinct to cower at the smell or presence of cats, showing that fear is genetically hardwired and not leaned through experience, as commonly believed. (AP Photo/Ko and Reiko Kobayakawa, Tokyo University Department of Biophysics and Biochemistry Graduate School of Science)

(AP) -- Cat and mouse may never be the same. Japanese scientists say they've used genetic engineering to create mice that show no fear of felines, a development that may shed new light on mammal behavior and the nature of fear itself.



Content from The Associated Press expires 15 days after original publication date. For more information about The Associated Press, please visit www.ap.org .

Explore further: Warning coloration paved the way for louder, more complex calls in certain species of poisonous frogs

add to favorites email to friend print save as pdf

Related Stories

Cloning whistle-blower: little change in S. Korea

37 minutes ago

The whistle-blower who exposed breakthrough cloning research as a devastating fake says South Korea is still dominated by the values that allowed science fraudster Hwang Woo-suk to become an almost untouchable ...

Glass maker deals to exit Apple, Arizona plant

43 minutes ago

Nearly 2,000 furnaces installed in a factory to make synthetic sapphire glass for Apple Inc. will be removed and sold under a deal between the tech giant and the company that had been gearing up to produce huge amounts of ...

China launches first mission to moon and back

1 hour ago

China launched its first space mission to the moon and back early Friday, authorities said, the latest step forward for Beijing's ambitious programme to one day land a Chinese citizen on the Earth's only ...

Recommended for you

Cat dentals fill you with dread?

21 hours ago

A survey published this year found that over 50% of final year veterinary students in the UK do not feel confident either in discussing orodental problems with clients or in performing a detailed examination of the oral cavity ...

User comments : 1

Adjust slider to filter visible comments by rank

Display comments: newest first

Nikola
not rated yet Dec 13, 2007
Maybe scientists can make the Democrats unafraid of Bush next.