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Just over 250 million years ago, during the end of the Permian period, and start of the Triassic, reptiles` rates of evolution and diversity started exploding, leading to a dizzying variety of abilities, body plans, and traits
Young date palms, recently planted, in hopes of saving a staple that is now under threat. >> the date palm is a symbol and is pride. that's why we wanted to plant the trees to restore the culture. a country of more than 30 million palm trees. >> reporter: iraq has been one of the top date producers in the world, with millions of trees growing across the country. these once thriving plants have since withered away, dehydrated , and blighted by environmental changes. >> before, we had an abundance of water, rainwater, too, from the mounds. this area was like a sea. due to the lack of rain, the l...
Bringing Taiwan to the World and the World to Taiwan
More than 770 crossings will have countdowns shorted by up to a minute and a half
ArcGIS software was used to analyze the spatial distribution of Mid Holocene (i.e., 6.7-3.1 ka BP) human settlements and sites in the Dalian area. Their evolution was studied in depth alongside the Mid Holocene environmental background known to have existed. The results showed that: ① The number of ancient settlements in the Dalian area increased during this period. Most sites during the three periods studied were to be found 0 to 50 m above sea level (asl), with a significant increase in the number of sites located > 50 m asl during the Bronze Age. In terms of gradient of slope, all sett...