HS-LS1-2
Develop and use a model to illustrate the hierarchical organization of interacting systems that provide specific functions within multicellular organisms.
- Fossils
Dino brain found ‘pickled’ in boggy swamp
Scientists claim to have identified the first fossil brain tissue from a dinosaur.
- Health & Medicine
Zika birth defects: Concerns spread from head to toe
Zika infections may trigger problems well beyond babies born with small heads and brains. Scientists have begun linking a range of head-to-toe health ails to the virus.
- Environment
Vaping may put your smile at risk
As e-cigarette use among teens rises, scientists find that vaping may cause cellular damage to the mouth, gums and teeth. Even the cells’ DNA was affected.
- Animals
Spidey sense: They can hear you!
Surprise! At least some spiders can hear us. Even without eardrums, jumping spiders can still detect airborne sounds from across the room.
- Animals
Tasmanian devils begin to resist infectious cancer
A deadly contagious cancer is spreading among Tasmanian devils. But the animals are evolving resistance, a new study finds.
- Animals
This mammal has the world’s slowest metabolism
A sloth species manages to exist with a super-slow metabolism by moving little and using its environment for heating and cooling its body.
- Physics
Gravity waves are seen again
Four months after scientists announced the first detection of gravity waves, another set of ripples in spacetime have emerged. The new ones come from the clash of mid-size black holes in the distant universe.
- Health & Medicine
Adult diseases may be linked to childhood weight
Danish scientists find that very overweight kids grow up with a heightened risk of colon cancer and stroke.
- Animals
Insects can patch their broken ‘bones’
When insects suffer wounds, they can mend their ‘skeleton’ with a patch on the inside. This makes the leg strong again, new data show.
- Life
Fattier yeast live long and prosper
Scientists were hoping to build better biofuels. Instead they discovered that fatter yeast cells live longer than lean ones.
- Animals
Picture This: Christmas tree worms
The tops of Christmas tree worms look like brightly colored plants. But they are really boneless marine animals with eyes that can breathe and gills that can see.
- Plants
Before eating, Venus flytraps must ‘count’
Researchers find that Venus flytraps respond to the number of times insects touch their sensory hairs. This tells them when it’s time to turn on digestion.
