Humans

  1. Health & Medicine

    Worms in the gut keep mice from getting plump on high-fat food

    Parasites kept mice from gaining weight on a high-fat diet. But receiving transplants of immune cells from these wormy mice also halted weight gain in mice without worms.

    By
  2. Health & Medicine

    Many women take unnecessary risks with sky-high heels

    A teen’s study confirms that women wearing high heels are more likely to fall than when wearing flats. She also found — surprise — that men tend to prefer women in flats.

    By
  3. Health & Medicine

    Catching sports cheaters with a doping detector

    Doping athletes often don’t get caught until after the competition is over. These two teens decided to come up with a faster test.

    By
  4. Brain

    Belly bacteria can shape mood and behavior

    Our guts and our brains are in constant communication with the goal of managing a whole lot more than food digestion. Their conversations can affect stress, behaviors — even memory.

    By
  5. 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.

    By
  6. Psychology

    Your window to learn new languages may still be open

    Results from an online grammar quiz suggest that people who start learning a second language at age 10 or 12 can still learn it well.

    By
  7. Tech

    Bad food? New sensors will show with a glow

    Sensors that glow around dangerous germs could be built into packaging to warn people of tainted foods.

    By
  8. Health & Medicine

    Sore knees may get 3-D printed relief

    Teen researchers are looking into ways to use 3-D printers to make materials to replace, support or treat tissues of the body.

    By
  9. Environment

    Restaurant diners may ingest extra pollutants

    People who dine out have higher levels of certain potentially harmful pollutants in their bodies than do people who eat home-cooked meals, new data show.

    By
  10. Health & Medicine

    Scientists Say: Ultrasound

    Ultrasound is a word used to describe any sounds higher than a person can hear. It’s also a technique used to see inside the body.

    By
  11. Health & Medicine

    Scientists discover how norovirus hijacks the gut

    Noroviruses make people vomit, but scientists didn’t actually know why. It now turns out that those viruses cause their misery by attacking special “tuft” cells in the gut.

    By
  12. Genetics

    Your DNA is an open book — but can’t yet be fully read

    There are many companies that offer to read your DNA. But be prepared: They cannot yet fulfill all those promises you read in their ads.

    By
Use up and down arrow keys to explore.Use right arrow key to move into the list.Use left arrow key to move back to the parent list.Use tab key to enter the current list item.Use escape to exit the menu.Use the Shift key with the Tab key to tab back to the search input.