HS-LS1-2
Develop and use a model to illustrate the hierarchical organization of interacting systems that provide specific functions within multicellular organisms.
- Brain
Scientists Say: Synesthesia
This is a trait in which one kind of sensory input, such as sound, can trigger another sense, such as sight.
- Humans
Some people use echolocation to get around. Here’s how it works
As expert echolocators make multiple clicking sounds, their brains process the echoes to help them perceive their surroundings.
- Health & Medicine
Positive thinking could help boost your immune system
With real-time feedback, people can learn to turn on a part of the brain that helps rev up the immune system, new data show.
- Life
Scientists Say: Spore
Patience is a virtue of these crafty, resilient little reproductive cells. Some bacterial spores have grown after lying dormant for a millennium.
- 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.
- Tech
Would lip-synching make androids seem less creepy?
Robots that seem almost — but not quite — human can strike us as eerie. Improved lip motions might help overcome this “Uncanny Valley” effect.
- Psychology
How not to choke when performing under pressure
World Cup players can benefit from the emerging field of penalty kick psychology. It offers lessons for us all on how to perform best under pressure.
- Brain
Brain scans offer clues to why math is harder for some kids
Kids with math learning disabilities process number symbols differently than numbers shown as dots.
- Animals
Animals can feel joy. Here’s how scientists might study it
Research has long focused on understanding negative emotions like fear in animals. Now they’re trying to measure positive feelings like joy. It’s a challenge.
- 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.
