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03-Sep-2017 17:10

The vertical Y-axis in the graph below represents the percentage of single people who had sex at least once monthly, and the horizontal X-axis shows emoji usage.

Today's announcement of a well-preserved fossil represents the first definitive evidence that dromaeosaurs roamed South America as well.

"Buitreraptor is one of those special fossils that tells a bigger story about the Earth's history and the timing of evolutionary events," said Peter Makovicky, curator of dinosaurs at The Field Museum.

"It not only provides definitive evidence for a more global distribution and a longer history for dromaeosaurs than was previously known, but also suggests that dromaeosaurs on northern and southern continents took different evolutionary routes after the landmasses that they had occupied, drifted apart." The Buitreraptor fossil was found in northwestern Patagonia (the southern end of the South America continent) about 700 miles southwest of Buenos Aires.

Legend: Mesoamerica = Mexico and Central America Pre-Columbian = Before Christopher Columbus Amerindian = Indigenous Indians of North and South America Paleoindian/Paleoamerican = The original Black settlers of the Americas The discovery of a bird-like dinosaur in South America has paleontologists rethinking when, where and how one group of raptors evolved.

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The rooster-sized dinosaur is called Buitreraptor (bwee-tree-rap-tor) gonzalezorum.They go on more dates and they are two times more likely to want to get married: 62% compared to 30% of people who have never used an emoji.