From Molecules to Organisms: Structures and Processes
- Plants
Unlock pinecone secrets with this science activity
Let’s find out how pinecones respond to different temperatures — by mimicking changes in weather from the comfort of our own kitchens!
- 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.
- Ecosystems
Scientists Say: Transplant
Transplant means to move something from one place to another. A transplant can involve something as small as a cell or as large as a whole population.
- Animals
Let’s learn about tardigrades
These tiny animals can survive drying out, freezing, harsh radiation and other hazards.
- Health & Medicine
Seeing sick faces revs up our immune system, new data show
It activates parts of the brain that detect threats and boosts the activity of at least one type of immune cell.
- 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.
- Animals
What dogs see on TV depends on their temperament
Breed, age or sex didn’t seem to matter in how dogs reacted to TV, but personality did. That’s according to a survey of more than 400 dog owners.
- 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
Uncover leaves’ hidden colors in this science activity
Let’s use a technique called paper chromatography to separate the pigments lurking in tree leaves.
- Humans
Vacation could provide teens time to practice independence
A poll shows U.S. parents are reluctant to let teens go places alone on vacation. Giving teens more independence may help their mental health.
- Health & Medicine
TikTok skincare routines may cause more harm than good
Many videos used lots of costly skincare products full of potential irritants. And most left out the most important way to care for your skin: sun protection.
- Chemistry
Scientists Say: Lipid
These oily, water-repelling molecules knit together, forming the membranes that sustain life.
