Neuroscience

Memories of movement are replayed randomly during sleep

Sleep is far from an inactive time for the brain: while rats (and humans) are asleep, neurons in the hippocampus fire rapidly. After a rat has repeatedly moved from one spot to another, the same neurons that fired while the ...

Psychology & Psychiatry

Safe sex or risky romance? Young adults make the rational choice

Astudy published in the journal Psychological Science found that young adults—contrary to how they are sometimes portrayed in the media—tend to make highly rational decisions when it comes to selecting potential romantic ...

Medical research

Research suggests origins of key cells in the thymus

Medullary thymic epithelial cells (mTECs) allow the thymus to ensure that the body's T cells are able to distinguish between potentially harmful foreign antigens and those that are produced by the body itself. A Swiss-Japanese ...

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