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India
Flooding in Northeast India
Driven by intense pre-monsoon rainfall, flooding and landslides have killed at least 10 people and affected more than 70,000 in India’s northeastern state of Assam. Around 48,000 people from the affected areas took shelter in government relief camps. According to weather officials, the formation of strong lower-level southerly and south-westerly winds in the Bay of Bengal exacerbated this abnormally high rainfall over several days. Rail and road networks are severely damaged in the region, with multiple rivers reaching the danger level and many areas now submerged under water. Heavy rainfall is expected to continue through Sunday.
This map depicts five-day precipitation accumulation of the flood affected regions of northeast India. Click on the map to learn more.
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United States
2020 Census Miscount
Recent follow-up surveys from the 2020 Census found populations of 14 different states have been miscounted. Census counts are performed every ten years, as mandated by the U.S. Constitution, and are used to decide how many congressional districts each state holds as well as how resources are allocated. The 2020 Census faced numerous setbacks and hurdles due to the Covid-19 pandemic, with many analysts expecting problems. Due to the miscount, the newest congressional apportionments may be inaccurate, but the discovery of the mistakes will not alter the make-up of the U.S House due to a 1999 Supreme Court ruling stating statistical sampling, like the method used in the Census’ follow-up surveys, cannot be used for congressional reapportionment. Census officials have announced that they will use the post-enumeration survey to prepare better for the 2030 count.
This hex map depicts the states in which the 2020 U.S Census had statistically significant miscounts. Overcounts appear in orange, and undercounts appear in green. Click on the map to learn more.
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Graphic Source: NPR
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Laos
Ancient Human Tooth Uncovered
Scientists have uncovered a hominid molar in a cave in Laos. The tooth may have belonged to a three-year-old Denisovan girl who lived 131,000 to 164,000 years ago. The Denisovans are an extinct sub-species of humans first discovered in 2010 in Russia. Previous research had placed the extent of the Denisovans to Siberia and Tibet, but such evidence suggests that they may have migrated much further south than previously believed. Traces of Denisovan DNA have been identified in millions of people currently living in Asia, Oceania, and the Pacific Islands, suggesting Homo Sapiens and Denisovans interbred.
This map depicts where the tooth was discovered near Cobra Cave, Laos, and the famous Denisova Cave, where Desinovan remains were first discovered. Click on the map to learn more.
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Q: Which Canadian city sits over a site that was a glacial lake 11,000 years ago?
A: Toronto
Toronto sits atop the prehistoric Lake Iroquois, a glacial lake existing near the last ice age around 13,000 years ago. The lake was an enlargement of the present Lake Ontario, which was about about 130 ft (40 m) higher. It formed due to the St. Lawrence River being blocked by an ice sheet, yet the subsequent melting of the ice dam resulted in the draining of the lake. The city of Toronto is almost completely flat, however around 3 to 4 miles (5 to km) inland, there is a fairly sharp rise of about 40 feet (12 m), which evidences the shoreline elevation of the former glacial Lake Iroquois.
Source
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Q: The Hawaii island chain is made up of about 132 volcanic islands. Which main Hawaiian island is considered the oldest?
Stay tuned for the answer to today’s question in Monday’s DailyGeo.
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