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    Life’s Building Blocks Found in New Jersey Meteorite

    Life’s Building Blocks Found in New Jersey Meteorite

    A meteorite that crashed through a New Jersey home has yielded the building blocks of life, including amino acids and prebiotic molecules. Researchers found it came from an ancient, underdeveloped solar system world and contained preserved bits from a primitive planet's salty surface.

    The Physics of Squeaky Shoes: How Soles Create Sound

    The Physics of Squeaky Shoes: How Soles Create Sound

    Physicists discovered that shoe squeaks are caused by 'stick-slip' motion, where sole parts briefly stick and slip, creating repetitive wrinkle pulses. This research, using high-speed videos and rubber blocks, explains the sound and suggests tuning sole properties for silent shoes, though ultrasonic pitches might bother pets.