Humans
- Health & Medicine
Scientists Say: Bruxism
Some people clench their jaw when their stressed. People who do it a lot may have bruxism.
- Health & Medicine
Extreme survival: Managing the deadly cold
Extreme cold can cause frostbite, hypothermia — even death. Knowing the risks can help keep you safe even when it’s freezing cold.
- Health & Medicine
Seven tips for staying safe in frigid weather
Maps? Check. Water? Check. Insulating clothes? Check. Here’s the checklist to consult before planning to trek out in the frigid cold.
- Health & Medicine
Snot Science: A snotty setup
We’ve got a video with a snotty experiment. Now we describe how you can do the same test yourself. Try it!
- Health & Medicine
Snot Science: Results are nothing to sneeze at
We tested a lot of snot, but now we need to figure out what our data mean. Here’s how to group and analyze our data.
- Health & Medicine
Snot Science: Taking mucus to the next level
There’s more to science than just squirting snot. It’s time to place data in context and figure out how to take my boogers to the next level.
- Health & Medicine
Scientists Say: Tinnitus
Ever had ringing in your ears? Tinnitus is a condition in which you hear a persistent sound that isn’t there.
- Health & Medicine
Scientists Say: Insulin
This chemical is a lifesaver. It helps our bodies use the sugars from our food, and without it, people develop diabetes.
- Earth
Editors’ top picks for 2016
From gravity waves to climate’s human impact and an exploration of post-election racism, we’ve covered the year’s major stories. Here what was most important.
- Health & Medicine
Outdoor time is good for your eyes
Being outdoors exposes children to bright light that can be good for their eyes. Spending just one extra daylight hour outdoors each week can substantially lower their chance of becoming nearsighted, a study finds.
- Environment
Food-like smell on plastic may lure seabirds to eat it
When plastic smells like supper, seabirds and other animals can be fooled into thinking it is food.
- Health & Medicine
High school vapers often become heavy smokers
New studies show e-cig ads promote vaping by teen — and their conversion to smoking tobacco.
