HS-LS1-2
Develop and use a model to illustrate the hierarchical organization of interacting systems that provide specific functions within multicellular organisms.
- Plants
Scientists Say: Pollination
Plants call upon wind, water or helpful animals to carry out this crucial step of their life cycle.
- Humans
Using physics can help athletes avoid sports injuries
Jessica Talmage uses physics to help understand how the body moves. Her findings help athletes avoid sports injuries and improve their performance.
- Chemistry
Explainer: What is chirality?
Chiral molecules are mirror images of each other. They might not seem all that different — but can have drastically different effects in medicine, materials and more.
- Brain
Scientists Say: Hallucination
Humans are not the only ones who can hallucinate. When a chatbot confidently generates a plausible but incorrect response, this error is called a hallucination.
- Psychology
Everyone experiences malicious joy now and then
Called schadenfreude, feeling happy when we see someone else’s pain is typically harmless. But unchecked, it can have big consequences.
- Artificial Intelligence
Chatbots may make learning feel easy — but it’s shallow
People who use search engines gain deeper knowledge and care more about what they learn than those who rely on AI chatbots, a new study finds.
- Animals
Is it possible to be invisible?
Fiction is full of characters with the power to vanish. But some animals have real-life ways to become nearly invisible.
- Life
Let’s learn about life forms that have survived in space
Moss spores, bacteria and tardigrades have all proved their hardiness outside the International Space Station.
- Brain
Hypnosis isn’t magic. It’s the brain at work
While we still don’t know much about how hypnosis works, it appears to help some people conquer pain, anxiety and other problems.
- Animals
Woodpeckers grunt like tennis players when they peck
The birds grunt like tennis pros when making their rat-a-tat, a strategy that may help steady their movements.
- Psychology
Sometimes the best way to reach a goal may be to quit an old one
We’re surrounded by messages to persevere through all challenges. But science shows that knowing when — and how — to quit is important, too.
- Psychology
Big goals can feel overwhelming. Here’s how to stay on track
Aiming for something big? Break that big goal into smaller, manageable steps. Then narrow your focus. This will keep your eyes on the prize.
