Japanese scientists create mice with no fear of cats
Tom and Jerry just wouldn't have been the same if it had featured one of Ko Kobayakawa's mice.
The Tokyo University professor has just unveiled mutant mice that have lost their innate fear of cats.
Rather than flee or freeze when confronted with their feline enemy, the mice sniffed and even played with them, blissfully unaware of the potential dangers.
Kobayakawa developed the fearless mice by shutting down receptors in their olfactory bulb - the area of the brain that processes information about smells - which would normally induce...
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