Life
In blazing heat, some plants open leaf pores — and risk death
When heat waves and droughts collide, water is precious. Some thirsty plants try to cool off by opening tiny pores — only to lose water even faster.
HS-LS1-2
Develop and use a model to illustrate the hierarchical organization of interacting systems that provide specific functions within multicellular organisms.
More Stories in HS-LS1-2
-
EcosystemsSecret forest fungi partner with plants — and help the climate
Forest fungi are far more than mere mushrooms. They explore. They move nutrients and messages between plants. They can even help fight climate change.
-
PlantsLet’s learn about meat-eating plants
Carnivorous plants use a variety of strategies to lure in and capture their prey, from sticky traps to jawlike leaves.
-
AnimalsA spider’s feet hold a hairy, sticky secret
Their widespread stickiness traces to the shape of hairs on its feet, scientists now find.
-
TechA sense of touch could upgrade virtual reality, prosthetics and more
Scientists and engineers are trying to add touch to online shopping, virtual doctor appointments and artificial limbs.
-
PlantsWell-known wildflower turns out to be a secret meat-eater
Look closely at Triantha occidentalis, and you’ll see gluey hairs — and a trail of insect corpses on its stem.
-
Health & MedicineA 2021 Nobel goes for discovering how our body reads touch sensations
David Julius and Ardem Patapoutian found nerve-cell sensors for temperature, pain and pressure.
-
AnimalsLet’s learn about elephants
Check out five wild facts you may not know about a familiar animal: the elephant.
-
Health & MedicineScientists Say: Tonsils
The tonsils are pads of tissue in the throat that are part of the body’s immune system.
-
BrainScientists Say: Haptic
Haptic is an adjective used to describe things related to our sense of touch.