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New flat world map is two-sided and round letting users flip it over

New flat world map is two-sided and round letting users flip it over Stacy Liberatore For Dailymail.com Astrophysicists have re-imaged our planet as a map that you can hold in your hand. A team from Princeton University shared a new world map that is less distorted due it being two-sided and round, similar to a phonograph record. The map can display the Eastern and Western Hemispheres on the sides or the Northern and Southern Hemispheres, which allows the equator to run around the edge. The double-disk map minimizes all six types of map distortions, shows Antarctica and Australia more accurately than other maps, along with the distance across oceans and poles - it is also easier to measure.

Wasps watch over nearby nests in surprising act of selflessness

Wasps watch over nearby nests in surprising act of selflessness Ian Randall For Mailonline © Provided by Daily Mail MailOnline logo In what experts have called a surprising act of selflessness , some wasp colonies lend their spare workers to babysit in neighbouring nests, a study has found. Researchers from the UK studied some 20,000 baby Neotropical paper wasps and their carers from 91 different colonies in Panama, including near the canal. Paper wasps are so-named for the grey and brown paper-like materials they produce from a mixture of chewed up plant fibres and saliva and use to construct their nests.  The team found that as colonies get larger in number, the usefulness of individual worker wasps becomes smaller as they have a surplus of labour.

Taking afternoon naps of just five minutes may help stave off dementia

Taking afternoon naps of just five minutes may help stave off dementia Ian Randall For Mailonline and PA Media © Provided by Daily Mail MailOnline logo Regular afternoon naps even of just five minutes a day may improve your mental agility and help to stave off dementia, a study has reported. Researchers from China studied the sleep patterns of 2,214 healthy adults aged 60 or over who lived in several large cities including Beijing, Shanghai and Xian. Of the participants, 1,534 reported taking a regular afternoon nap of between five minutes and two hours, while the remaining 680 individuals did not. Each of the subjects also took part in a dementia screening test with the results revealing significant differences between the napping and not groups.

Gifted dogs can learn new words after hearing them only FOUR times

Gifted dogs can learn new words after hearing them only FOUR times Shivali Best For Mailonline © Provided by Daily Mail MailOnline logo They re often referred to a man s best friend, and now a new study has revealed that some dogs can learn new words as quickly as a two-year-old child.  Researchers analysed the speed at which dogs can learn new words, and found that the most gifted pooches can learn new words after hearing them only four times.  According to the experts, that s roughly the same speed as a toddler at around two to three years old.  However, the researchers say that only very few dogs are this talented at learning words quickly, in the absence of formal training. 

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