MS-LS1-3
Use argument supported by evidence for how the body is a system of interacting subsystems composed of groups of cells.
- Brain
To our brains, your red is my red
A given color may spark similar brain activity across individuals, new research suggests. This could settle a long-standing debate.
- Physics
Comb-like wings help the tiniest insects swim through ‘syrupy’ air
When you're the size of a grain of sand, flying through air is like swimming through a syrup. Bristled wings help the tiniest insects manage this.
- Animals
Explainer: What is a shark?
These fish have skeletons made of cartilage, not bone — and aren’t nearly as scary as portrayed in the media.
- Humans
Forget droplets. Here’s how sweat really forms
This is the most detailed look yet at how we perspire. Beads of sweat are out, puddling is in.
- Health & Medicine
Sleeping in — but not too much — may ease anxiety
Getting up to two hours of weekend catch-up sleep lowers anxiety in teens, new research shows.
- Chemistry
Scientists Say: Lipid
These oily, water-repelling molecules knit together, forming the membranes that sustain life.
- Humans
After every soak, fingers wrinkle — and always the same way
Fingertip folds aren’t super swollen. Blood vessels constrict and pull skin inward, forming wrinkles.
- Health & Medicine
Let’s learn about vaccines
These medical treatments have saved millions of lives and spared many others from seriously unpleasant infections.
- Animals
Some fish have legs that can taste prey underfoot
Taste buds on those legs may explain why northern sea robins are so good at finding food that is buried in the sandy seafloor.
- Health & Medicine
Explainer: What is cancer?
Cancer is a whole collection of diseases with one thing in common: all develop when the body’s cells start dividing out of control.
- Health & Medicine
Scratching an itch has both good effects and bad
Mice that scratch itchy ears trigger more redness and swelling — but also may combat harmful bacteria.
- Health & Medicine
Explainer: What is asthma and how is it treated?
This chronic narrowing of lung airways can make it hard to breathe. Fortunately, drugs can widen those airways — even in people with severe asthma symptoms.
