HS-LS1-2
Develop and use a model to illustrate the hierarchical organization of interacting systems that provide specific functions within multicellular organisms.
- Brain
This neuroscientist looks at how your brain plans for the future
Freek van Ede studies how the brain selects information to plan for the future. He’s finding clues in the tiny movements people make with their eyes.
- Animals
Let’s learn about octopuses
These clever, color-changing cephalopods live all over the world.
- Brain
Scientists Say: Dopamine
This brain chemical helps focus our attention and plan our path toward success.
- Animals
These healthy fish have bacteria in their brains
The bodies of most animals keep germs, usually linked to disease, out of their brains. But some fish that host microbes seem to do just fine.
- Animals
Scientists Say: Compound Eye
Compound eyes made up of many smaller visual structures may not produce crisp images, but they offer a great field of view.
- Tech
Bioelectronics research wins top award at 2024 Regeneron ISEF
Three grand-award winners each took home at least $50,000. Hundreds more teens shared more than $9 million in prizes at the international competition.
- Physics
The movie Frozen inspired the icy, 3-D printing of blood vessels
Ice guides a 3-D printing method to make realistic, artificial blood vessels. One day, such vessels could be used in lab-grown organs.
- Chemistry
Here’s why teens’ body odor can be especially strong
The body odors of teens and younger kids share dozens of chemicals in common. But teens have some that infants and toddlers appear to lack.
- Animals
Elusive worm-lizards sport weird, spooky skulls
CT scans of these mysterious creatures turned up bizarre internal features. They could offer clues about amphisbaenians’ largely unknown behavior.
- Archaeology
A tattoo experiment hints at how Ötzi the Iceman got his ink
The findings challenge a common idea about how the mummified man got marked with dark lines.
- Animals
This egg-laying amphibian feeds its babies ‘milk’
Similar to mammals, this caecilian — an egg-laying amphibian — makes a nutrient-rich, milk-like fluid to feed its babies up to six times a day.
- Microbes
What the weird world of protists can teach us about life on Earth
Microbes vastly outnumber multicellular life on Earth. A close-up look at protists highlights how much we don't know about the microscopic world.
