All Stories
- Plants
Analyze This: Plants sound off when they’re in trouble
When dry or cut, tomato and tobacco plants make sounds too high for humans to hear. Such sounds could provide a way to snoop on crops.
- Health & Medicine
New patch might replace some finger-prick testing of blood sugar
A finalist at Regeneron ISEF created a wearable patch that turns yellow when someone’s blood-sugar level gets high enough to need an insulin shot.
- Tech
New technologies could keep people cool in a warming world
New approaches to air conditioning aim to keep people cool with fewer greenhouse-gas emissions as our world warms.
- Health & Medicine
Hand dryers can infect clean hands with bathroom germs
Hot-air hand dryers are a haven for microbes. A finalist at Regeneron ISEF found that these machines spray germs all over freshly washed hands.
- Animals
How to tell if cats are having fun — or if fur is flying
Quietly wrestling cats may be hard at play. But if they’re chasing and yowling, you might have a cat fight on your hands.
- Chemistry
This forensic scientist is taking crime science out of the lab
Kelly Knight uses her past struggles and passion for forensics to inspire her students.
- Microbes
Scientists Say: Virus
A virus must take over a living cell's machinery to make more viruses.
- Chemistry
Experiment: Keep your candy cool with the power of evaporation!
In this science project, use the energy produced when water evaporates to cool down chocolate-covered candy so it doesn't melt.
- Health & Medicine
Fentanyl deaths have spiked among U.S. kids and teens. Here’s what to know
A pediatrician discusses how teens can protect themselves and their friends from this extremely deadly drug.
- Fossils
Ocean life may have bounced back after the ‘Great Dying’
Marine ecosystems may have been back in action just a million years after the most severe extinction event known.
- Humans
How fingerprints form is no longer a mystery
A mathematical theory proposed in the 1950s helps explain how fingerprint patterns such as arches, loops and whorls arise.
- Ecosystems
Let’s learn about how wildfires keep ecosystems healthy
Wildfires are so important for many ecosystems that sometimes professionals set them on purpose.
