Scientists in the US have developed a novel system for detecting landmines by training rats equipped with GPS and wireless rucksacks to sniff out explosives and map them for destruction.
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Some mother rats spend a lot of time licking, grooming and nursing their pups. Others seem to ignore their pups. Highly nurtured rat pups tend to grow up to be calm adults, while rat pups who receive little nurturing tend to grow up to be anxious. It turns out that the difference between a calm and an anxious rat is not genetic – it’s epigenetic. The nurturing behavior of a mother rat during the first week of life shapes her pups’ epigenomes. And the epigenetic pattern that mom establishes tends to stay put, even after the pups become adults. 
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As per a research, it has been revealed that rats are not smart but they are as good as humans when it comes to choosing the best for them.
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(PhysOrg.com) -- Rats use their knowledge to make decisions when faced with ambiguous situations, UCLA psychologists report.
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BOGOTA (Reuters) - In a laboratory on the grounds of a police-guarded complex, 11 white-furred rats wait their turn to impress trainers and perhaps receive a bit of sugar as reward.The rodents could play...
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When it comes to intellectual challenges, rats, like people, fall naturally into categories of slackers and workers. And a shot of stimulant sometimes gets slackers to work harder while prompting the workers to ease off, researchers report online March 28 in Neuropsychopharmacology.
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As male rats become more sexually experienced parts of their brain disappear, whereas in females, these same parts seem to instigate sexual behaviour...
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New experiments show that rats, despite their selfish reputation, don't act like, well, rats.
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We may be the only animal to move around upright on two legs, but babies learn to walk in the same way that rats, cats, monkeys and birds do...
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