Uncategorized

  1. Animals

    Why some mammal species don’t have descended testicles, but most do

    New research studying genetic vestiges suggests that descended testicles are as ancient as the first placental mammal.

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  2. Quantum Physics

    A tiny version of this physics toy is revealing quantum secrets

    Scientists created a quantum Newton’s cradle to study thermal equilibrium.

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  3. Tech

    50 years ago, a Japanese scientist dreamed up a rocket-propelled train

    50 years ago, a Japanese engineer tried rocket boosters on a train. Today, high-speed trains propelled by superconducting magnets are being tested.

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  4. Neuroscience

    A brain chemical tied to narcolepsy may play a role in opioid addiction

    Long-term use of opioids such as heroin is linked to having more brain cells that release a chemical that regulates wakefulness and arousal.