Plants
Let’s learn about autumn leaves
Here’s why some trees put on a colorful grand finale before losing their leaves for the winter.
Plants
More Stories in Plants
- Plants
Physics explains how rose petals get their iconic shape
Scientists thought they knew what was behind rose petals’ geometry. They were wrong.
- Chemistry
Uncover leaves’ hidden colors in this science activity
Let’s use a technique called paper chromatography to separate the pigments lurking in tree leaves.
- Genetics
DNA reveals the origin of East Asia’s favorite sweet bean
Where those red beans — also called adzuki — came from had been murky. A new study says it all started in Japan.
- Plants
Pollinators send out good vibrations — and plants respond sweetly
Snapdragon blooms can distinguish between the sounds of pollinators and thieves. They boost or drop the sugar in their nectar depending who’s arriving.
- Plants
A genetic trick leaves these stinky plants reeking of rotting flesh
This DNA tweak in plants harnesses the same molecule behind our bad breath and transforms it into something worse: the stink of rotting flesh or dung.
- Environment
Eco-friendly sunscreen? That’s bananas!
Bananas make their own natural sunscreens. A teen thinks these could work to protect our skin as well, while being safe for aquatic life.
- Plants
Magnets mimic gravity’s guiding hand for plants growing in space
Without constant gravity, plants waste energy twisting and coiling, trying to reach toward the sun. Teen ISEF finalists might have found a solution.
- Plants
For some trees, acting as lightning rods helps them survive
Being struck by lightning is usually bad. But for one tropical tree, a mighty zap can kill rivals and parasitic vines.
- Plants
Let’s learn about plant movement
Some plants use their powers of superspeed to spread spores, while others use it to snatch up prey.
