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Then seemingly overnight, one type of whale, the toothless baleen, became huge. Modern blue whales get as big as 30 meters, the largest creatures ever on Earth. Its skull is now bigger than a minivan and could probably fit more than five people inside, researchers said.

There are also wooden tower-like maze for cats to move from hole to hole, and fish in small ponds to cheer them up.

Their father Jorge, originally from Guadalajara, Mexico, said watching his children graduate was his proudest moment.

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The zoo said Mei Xiang has been an "amazing mother" over the past four weeks taking care of the cub.

The world stage needs a "new script" and the new generation should be able to go beyond the traditional mindset of power politics and take a new approach to China-US relations, veteran diplomat Fu Ying said at the opening ceremony of the 2018 Penn Wharton China Summit in Philadelphia on Saturday.

There are also 109 public schools named for Robert E. Lee, Confederate President Jefferson Davis or other leading figures of the Civil War-era South, the group said.

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The workspaces are now being painted to prepare for the harvest. But George is concerned about the industry's and the local farmers' prospects.

Then add distractions. Lots of eBooks aimed at kids are chock full of animations, games and other digital delights. The Joan Ganz Cooney Center at Sesame Workshop found young kids recall a lot less of the eBook narrative than kids who read print versions of the same story. Another study found young readers frequently skip eBook text, period, and move to the “fun” stuff.

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The worst incident occurred in December 2016, when firecrackers and fireworks were unintentionally set off at one of the market stalls, sparking a chain reaction of explosions that killed 42 merchants and customers.

The zone has formed industry clusters and prioritized its supportive measures in several fields, including bio-pharmaceutical, semi-conductor, new materials and many other areas, according zone officials.