Animals
Some sea stars channel light like fiber-optic cables
The tiny cone-shaped structures in arms of chocolate-chip sea stars also triple their skeleton’s strength.
MS-LS1-3
Use argument supported by evidence for how the body is a system of interacting subsystems composed of groups of cells.
More Stories in MS-LS1-3
- Health & Medicine
Teens invent first chewing gum to tackle anxiety
Flavonoids from passionflower plants may one day give chewing gums the ability to take the edge off frazzled nerves or anxiety, report two Regeneron ISEF finalists.
- Animals
Physics explains how snakes climb and stand without limbs
Tree snakes can raise their body into the air without falling over. They keep their balance by bending their bodies close to their base.
- Health & Medicine
How pitchers rest between innings could save their arms — and stats
Focusing on muscle recovery during games could help keep pitch speeds high and injury risk low, one ISEF finalist finds.
- Health & Medicine
Scientists get smart about farts with new underwear sensor
It snaps into regular undies to measure releases of hydrogen gas. Rates vary widely, but 32 farts a day seems about average, early data suggest.
- Plants
Light pollution could be supercharging your pollen allergies
Light pollution in North American cities seems to be tricking plants into releasing pollen for longer periods each year.
- Humans
Let’s learn about adrenaline
In short bursts, this hormone can help you face your fears. But in the long run, too much of it can be unhealthy.
- Animals
Flat-faced dogs often struggle to breathe easy
Pugs and bulldogs aren’t the only dogs with breathing problems. Pekingese, Japanese chins and other squish-faced breeds have this issue, too.
- Animals
Let’s learn about animals that can regrow body parts
Animals that regenerate limbs, eyes and other body parts may hold clues to superhuman healing.
- Brain
Adolescence appears to last far longer than once thought
The brain undergoes “rewiring” throughout adolescence and doesn’t reach its adult architecture until our early 30s, suggests a new study.
