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Complete genome of the raccoon dog

A study, in which the UPV/EHU-University of the Basque Country participated, has for the first time assembled and annotated the complete genome of the raccoon dog, a species originating in East Asia but introduced into Europe, ...

Tarantula's ubiquity traced back to the cretaceous

Tarantulas are among the most notorious spiders, due in part to their size, vibrant colors and prevalence throughout the world. But one thing most people don't know is that tarantulas are homebodies. Females and their young ...

Human-induced drying trend in Central Asia since the 1950s

The economies of northern Central Asia rely heavily on agriculture and are particularly affected by changes in the local hydrological cycle. However, this region is one of the largest dryland regions in the Northern Hemisphere ...

Rhino population in Nepal grows in conservation boost

Nepal's population of endangered one-horned rhinoceros has grown by more than a hundred over the past six years, officials said, with campaigners hailing the increase as a conservation "milestone".

Why lists of worldwide bird species disagree

How many species of birds are there in the world? It depends on whose count you go by. The number could be as low as 10,000 or as high as 18,000. It's tough to standardize lists of species because the concept of a "species" ...

A dinosaur tail vertebra leads researchers on the right track

Scientists from Mahasarakham University (Thailand) and the University of Bonn have examined the newly discovered caudal vertebrae of a spinosaurid dinosaur that could belong to Siamosaurus suteethorni. The comparison with ...

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Asia

Asia is the world's largest and most populous continent. It covers 8.6% of the Earth's total surface area (or 29.9% of its land area) and with approximately 4 billion people, it accounts for 60% of the world's current human population. It is located chiefly in the eastern and northern hemispheres.

Asia is traditionally defined as part of the landmass of Eurasia—with the western portion of the latter occupied by Europe—lying east of the Suez Canal, east of the Ural Mountains, and south of the Caucasus Mountains and the Caspian and Black Seas. It is bounded on the east by the Pacific Ocean, on the south by the Indian Ocean, and on the north by the Arctic Ocean. Given its size and diversity, Asia—a toponym dating back to classical antiquity—is more a cultural concept incorporating a number of regions and peoples than a homogeneous physical entity (see Subregions of Asia, Asian people).

The wealth of Asia differs widely between, and within, states. This is due to its vast size, and huge range of different cultures, environments, historical ties and government systems. In terms of nominal GDP, Japan has the largest economy on the continent and the second largest in the world. In purchasing power parity term, however, the People's Republic of China has the largest economy in Asia and the second largest in the world.

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