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Smoke from wildfires, like this lingering cloud in Sonoma County, Calif., in October, may be responsible for creating an off taste in wine. George Rose/Getty Images hide caption

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George Rose/Getty Images

France's President Emmanuel Macron, center, Arnold Schwarzenegger, left, and Prime Minister of Belgium Charles Michel, right, pose for a photo in front of the Eiffel Tower while aboard a boat cruising on the Seine River after the One Planet Summit, Paris, Tuesday, Dec. 12. Thibault Camus/AP hide caption

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Thibault Camus/AP

An illustration comparing the giant penguin to an average person. Kumimanu biceae weighed about 220 pounds and was a bit shorter than 6 feet in height. It swam around off the coast of New Zealand between 55 and 60 million years ago. Gerald Mayr hide caption

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Gerald Mayr

Giant Prehistoric Penguins Once Swam Off The Coast Of New Zealand

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An artist's illustration of 'Oumuamua, a cigar-shaped interstellar object discovered in October. Now, astronomers want to know if this interloper might harbor life. ESO/M. Kornmesser hide caption

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ESO/M. Kornmesser

How Scientists Are Growing Mini Brains In Petri Dishes For Experiments

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A photographer looks at the night sky to see the annual Geminid meteor shower in northern Italy in December 2015. This year's shower coincides with a close-range visit by its parent asteroid. Marco Bertorello/AFP/Getty Images hide caption

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Marco Bertorello/AFP/Getty Images

Cal Fire firefighters keep watch on a wildfire blaze burning the mountainside near the Cate School campus in Carpinteria, Calif., on Dec. 10, 2017. Kenneth Song/AP hide caption

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Kenneth Song/AP

Forage fish like these at a Chilean processing plant are often used for fish meal used in aquaculture. But critics consider this inefficient and wasteful and worry it could deplete fish populations. Now several companies are developing protein substitutes to replace fish meal. Julio Etchart/ullstein bild via Getty Images hide caption

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Julio Etchart/ullstein bild via Getty Images

Melt ponds dot a stretch of sea ice in the Arctic Ocean, north of Greenland. This year was the Arctic's second-warmest in at least 1,500 years, after 2016. Nathan Kurtz/NASA hide caption

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Nathan Kurtz/NASA

Arctic's Temperature Continues To Run Hot, Latest 'Report Card' Shows

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A tick grasping a dinosaur feather is preserved in 99 million-year-old amber from Myanmar. Peñalver et al/Nature Communications hide caption

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Peñalver et al/Nature Communications

Amber-Trapped Tick Suggests Ancient Bloodsuckers Feasted On Feathered Dinosaurs

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Imagezoo/Getty Images/Imagezoo

How Labels Can Affect People's Personalities And Potential

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Cavitation produces a bubble that rapidly collapses and becomes hotter than the sun's surface. The mantis shrimp uses it, and now so do food and drink firms, to improve flavors — from yogurt to beer. Reinhard Dirscherl/ullstein bild via Getty Images hide caption

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Reinhard Dirscherl/ullstein bild via Getty Images

A Hubble Space Telescope image of the Ant Nebula. Astrophysicist Adam Frank spent last week at an international meeting in Hong Kong trying to understand the science of what these objects tell us about the last gasp of dying stars like the sun. NASA, ESA and the Hubble Heritage Team hide caption

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NASA, ESA and the Hubble Heritage Team

Michele Comisky of Vienna, Va., enrolled her 8-year-old son, Jackson, in a study to test the value of probiotics in preventing the gut distress often experienced when taking antibiotics. Rob Stein/NPR hide caption

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Rob Stein/NPR

Could Probiotics Protect Kids From A Downside Of Antibiotics?

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