Gather and synthesize information that sensory receptors respond to stimuli by sending messages to the brain for immediate behavior or storage as memories.

  1. Health & Medicine

    The science of ghosts

    One in five Americans say they’ve encountered a ghost. But science has no evidence that ghosts are real. Here are more likely explanations.

  2. Health & Medicine

    Explainer: What is the vagus?

    The vagus nerve runs from the brain all through the body. It controls many basic functions, including how fast the heart beats.

  3. Health & Medicine

    Owww! World’s hottest chili leads to days of severe headaches

    A man ate one of the hottest peppers in the world. About a minute later, his head began pounding. See why they didn’t permanently disappear for days!

  4. Health & Medicine

    Explainer: What is a concussion?

    A concussion is a severe type of head injury that can damage a brain for weeks to years — perhaps even a lifetime.

  5. Brain

    Tongues ‘taste’ water by sensing sour

    Water doesn’t taste like much, but our tongues need to detect it somehow. They may do it by sensing acid, a new study shows.

  6. Brain

    Scientists Say: Amygdala

    Named after the Greek word for “almond,” the amygdala helps us process emotions, make decisions and form memories.

  7. Brain

    Brains learning together act the same

    When students are all focused on the same thing, their brainwaves look the same, a new study shows.

  8. Brain

    When is an epileptic seizure about to strike?

    Two high-school research projects suggest ways to identify early warnings of a coming epileptic seizure. This might give people time to free themselves from potentially dangerous activities.

  9. Health & Medicine

    Just viewing super-size meals can promote overeating

    Large portions of food dampen activity in a brain area involved in self-control, a new study shows.

  10. Brain

    Among mice, scratching is catching — as in contagious

    Contagious itching spreads by sight, mouse-to-mouse. Scientists have now identified brain structures behind this phenomenon.

  11. Tech

    Cool Jobs: Doing real science in virtual worlds

    Virtual reality isn’t just for gamers. Scientists are using VR technology to tackle real-world problems.

  12. Brain

    Anxious about math? Your brain may tackle simple problems differently

    A study found more variable brain activity in people who get nervous about math problems than those who do not.