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We summarize the week's scientific breakthroughs every Thursday.
- 			 Tech TechMaterials of the last century shaped modern life, but at a priceFrom our homes and cities to our electronics and clothing, the stuff of daily life is dramatically different from decades ago. 
- 			 Planetary Science Planetary ScienceMachine learning points to prime places in Antarctica to find meteoritesUsing data on how ice moves across Antarctica, researchers identified more than 600 spots where space rocks may gather on the southern continent. 
- 			 Earth EarthWhat the Tonga volcano’s past tells us about what to expect nextThe January 15 eruption of a Tongan volcano triggered atmospheric shock waves and a rare volcanic tsunami; its history suggests it may not be done. 
- 			 Climate ClimateIntense drought or flash floods can shock the global economyRainfall extremes have powerful impacts on the global economy, affecting the manufacturing and services sectors more than agriculture. 
- 			 Earth EarthVolcanic avalanches of rock and gas may be more destructive than previously thoughtPressures within pyroclastic flows may be as much as three times as great as observations had suggested. By Nikk Ogasa
- 			 Climate ClimateClimate change communication should focus less on specific numbersEven if nations don’t meet goals to curb global climate change, any progress is better than none. 
- 			 Earth EarthSome volcanic hot spots may have a surprisingly shallow heat sourceMysterious hot spots of volcanic activity in the interior of tectonic plates just got a little stranger. By Sid Perkins
- 			 Climate ClimateAfrica’s ‘Great Green Wall’ could have far-reaching climate effectsThe “Great Green Wall,” a tree-planting project to stop desertification in northern Africa, could alter climate patterns in the region and beyond. 
- 			 Climate ClimateHow electric vehicles offered hope as climate challenges grewAmid daunting climate change challenges, electric vehicles swerved into the spotlight this year. 
- 			 Climate ClimateVikings may have fled Greenland to escape rising seasVikings abandoned Greenland in the 15th century. Lower temperatures, an expanding ice sheet and rising sea levels may have played a role in their departure. By Freda Kreier
- 			 Animals Animals50 years ago, scientists were genetically modifying mosquitoesIn 1971, scientists turned to genetics to control disease-spreading mosquitoes without DDT. Today, there are a variety of pesticide-free methods. 
- 			 Climate ClimateHow a warming climate may make winter tornadoes strongerA climate simulation suggests that higher winter temperatures could make twisters more powerful.