China's 'Rejuvenation' Bullet Trains Are the World's Fastest

China's new "Rejuvenation" bullet trains can reach maximum speeds of about 250 mph (400 km/h).
(Image credit: Luo Xiaoguang/Xinhua/Zuma)

China was once home to the world's fastest trains, but that position was temporarily derailed in 2011, after a crash between two bullet trains killed 40 people and injured nearly 200 more, leading officials to scale back maximum train speeds from 350 km/h (217 mph) to 300 km/h (186 mph).

But the country is getting back on track, as the next generation of bullet trains — said to be the world's fastest — began transporting passengers Monday (Aug. 21) on the Beijing-Tianjin Intercity Railway, according to the state-run Xinhua News Agency.    

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Mindy Weisberger is a science journalist and author of "Rise of the Zombie Bugs: The Surprising Science of Parasitic Mind-Control" (Hopkins Press). She formerly edited for Scholastic and was a channel editor and senior writer for Live Science. She has reported on general science, covering climate change, paleontology, biology and space. Mindy studied film at Columbia University; prior to LS, she produced, wrote and directed media for the American Museum of Natural History in NYC. Her videos about dinosaurs, astrophysics, biodiversity and evolution appear in museums and science centers worldwide, earning awards such as the CINE Golden Eagle and the Communicator Award of Excellence. Her writing has also appeared in Scientific American, The Washington Post, How It Works Magazine and CNN.