MS-LS1-8
Gather and synthesize information that sensory receptors respond to stimuli by sending messages to the brain for immediate behavior or storage as memories.
- Health & Medicine
Friends’ good moods can be contagious
Good mental health spreads through teen social networks, but depression doesn’t, a new study finds.
- Brain
Explainer: The nico-teen brain
Both e-cigarettes and tobacco products can release large amounts of nicotine during use. Nicotine is the chemical that makes tobacco addictive — and the teen brain is especially vulnerable to it.
- Brain
Sugar makes mice sleepy
Sugar may amp up sleep-promoting cells in the brain, a new study in mice finds.
- Brain
Scientists Say: Cortical homunculus
If you draw a representation of your body as seen by your brain, it’s called a homunculus. On it, parts sensitive to touch or used for fine movement are large, while others are small.
- Health & Medicine
Vision-ary high tech
New devices are being developed to improve, restore or preserve the vision of people with eye diseases, such as glaucoma and macular degeneration. One device is a telescopic contact lens than can be zoomed with a wink.
- Brain
Blowing up the brain
When added to brain tissue, a chemical like one found in baby diapers expands. And it expands that brain tissue too, giving scientists a better view of how its cells connect.
- Brain
Harry Potter reveals secrets of the brain
Figuring out how the brain makes sense of what we read isn’t easy. So scientists enlisted the magical world of Harry Potter. It allowed experts to predict with great accuracy which brain areas would be active in a given part of the story.
- Brain
Scents may affect how appealing tobacco is
Menthol’s effects on the brain may make tobacco more addicting. In contrast, foul odors might help smokers quit. Two new studies show how.
- Brain
Learning rewires the brain
Brain cells actually change shape as we learn. It’s one way we cement new knowledge. And much of the action happens as we sleep.
- Animals
Elephants appear to be super sniffers
Elephants are not only massive, but also possess the most odor-detecting genes of any animal known, new research shows.
- Genetics
Owww! The science of pain
No one likes pain, but it keeps us alive. That’s why scientists want to learn how best to coexist with this complicated and still somewhat mysterious sensation.
- Brain
The scent of a woman — or a man
Animals unwittingly signal things about themselves by giving off subtle scents. A new study claims the same is true for people.
