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“Rotor” Ship Operates on Baseball Principle

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New Mechanical Larynx Helps Dumb to Speak

Anarchy in the Human Body

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Pigs’ Rheumatism Cured by Dose of Sunlight

Scientists Seek Means to Limit Timber Waste

Easy Transportation Cause of Disappearing Forests

Tidal Power Station under Way in France

Noise of Electrons Heard by Human Ears

Sky Pinwheels Are Stellar Universes 6,000,000,000,000,000,000 Miles Away

Oldest Beetle Fossil Found in North China