Recent features 

• Failed wallpaper cleaner became invention loved by millions of kids

• How can you measure birds? By the yard!
  Scientists call on bird-watchers in a new study of residential areas

• Researchers simulate complete structure of virus -- on computer

• It's time for another patented quiz about inventors

• Janus particles offer new physics, new technology

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• Take a ride back in time to the 1800s to see how bicycles were invented and reinvented

• Shockers, not much happens without notice in a small community

• Soldier's invention on display at the Smithsonian Institution

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