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Avij Most people use toothbrushes, toothpaste and dental floss to clean their teeth, but their use is by no means universal. Many indigenous groups, as well as people in developing countries, use traditional techniques to clean their teeth. Some of these techniques are more effective than others. Many people in the Middle East, and some parts of South and Southeast Asia, use twigs from the arak tree known air max plus as miswak to clean their teeth. They fray the end of the twig, dampen the resulting bristles with water or rosewater adidas samba og and then rub the bristles against their teeth see video below . The wood of the arak tree Salvadora persica has a high concentration of fluoride and other antimicrobial components that prevent tooth decay. How to use miswak. Twigs from other trees, especially aromatic trees that freshen the mouth, are used in different cultures. These so-called chew sticks have been in use for thousands of years. The first recorded use was in ancient Babylonia 3500BC but they were also used in China as far back as 1600BC. Using twigs can have similar cleaning effects as a conventional toothbrush, as shown in several studies. But the sticks cant reach areas between the teeth, and if they arent used properly, they can damage the gums and abrade the teeth adidas originals .FingersIn some cultures, people rub various substances onto their teeth with their fingers. For example, in some Muslim countries, people rub walnut tree bark on their teeth. The bark of this t Jedj There were gasps in court as the sentence was handed down. 55 years for the brother of the Manchester Arena suicide bomber.It is the longest sentence in British legal history.Hashem Abedi was found guilty of the murder of twenty two people, attempted murder, and plotting to cause an explosion.Mr Justice Jeremy Baker s stanley cup aid Abedi was ;equally stanley cup as culpable as his brother.聽 He added that the despair and desolation of the bereaved families has been palpabl stanley cup e .Symeon Brown reports.Share on FacebookShareShare on TwitterTweetShare on WhatsAppSendShare on WhatsAppSendShare on WhatsAppEmailLoad more share options

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Exlj Species hold ecosystems in a delicate balance. From time to time humans introduce non-native species to an ecosystem, because they may be needed for domestic work, as pets, for carrying loads or even for killing previously introduced species. In adidas sambarose each case, their introduction changes how the ecosystem works. And sometimes things go wrong, leading to the decline of many native species.Despite studying introduced species for more than 200 years, we understand only a little about them. The reason is that studying their complex interactions with other species can be difficult. The ideal places to carry out such studies are islands. Their physical boundaries makes it easy to keep track of a limited number of species and their interactions.But even if an ecosystem is studied, it is usually difficult to apply those lessons to a different ecosystem because of the quirks of e nike dunk ach. Emily Hanna and Marcel Cardillo of the Australian National University thought perhaps a larger scale study done on many islands might give the best insight into introduced species. That is why they decided to study 934 mammal population in 323 Australian islands. There are many islands with and without different introduced predators, which makes Hanna and Cardillos analysis strong. They report their results in a recent study published in th adidas originals forum e journal Global Ecology Biogeography. Broadly, they asked two questions - First, how do introduced mammal predators affect one another and native species Second, do Vfbg Labour Sadiq Khan has also won an historic third term as London mayor. And despite a Conservative campaign attacking his expansion stanley cup of London ultra-low emission zone 8 stanley spain 211; many areas saw a swing to Labour. Minnie Stephenson is at City Hall in London for us.Shar stanley termoska e on FacebookShareShare on TwitterTweetShare on WhatsAppSendShare on WhatsAppSendShare on WhatsAppEmailLoad more share options