All Stories
-
AnimalsWhat you need to know about ‘murder hornets’
Two new specimens of the world’s largest hornet have just turned up in the United States. Here’s what to make of them and other alien-hornet invaders.
By Susan Milius -
Health & MedicineRemdesivir is looking even better at fighting COVID-19
New studies suggest the drug remdesivir not only speeds recovery of COVID-19 patients in the hospital, but lowers their risk of death from the virus.
-
AnimalsPooping ducks can shed the live eggs of fish
Some carp eggs survived and even hatched after being pooped by a duck. This may help explain how invasive fish reach isolated waterways.
-
PhysicsSpotted: Milky Way’s giant gas bubbles in visible light
The bubbles have different colors, based on how the gas inside them moves. That could give clues to how the bubbles developed.
-
BrainExplainer: How our eyes make sense of light
It takes a lot for images before the eyes to be 'seen.' It starts by special cells sensing the light, then signals relaying those data to the brain.
-
PhysicsUnderstanding light and other forms of energy on the move
Radiation needn’t be scary, especially if it allows us to see our family or use our cell phones. Here’s a guide to light and other types of emitted energy.
-
ClimateLet’s learn about hurricanes
Hurricanes are huge, terrifying storms that form over warm ocean waters — and waters are getting warming.
-
Materials ScienceShape-shifting cuts give shoes a better grip
With pop-out structures inspired by kirigami and animals, a shoe sole goes from flat to spiky to boost friction on slippery surfaces such as ice.
-
AnimalsTube-dwelling sea creatures may be oldest known parasites
A fossil bed of clam-like animals from a half-billion years ago is covered in tube-dwelling organisms. These suggest the tube dwellers were parasites, scientists now report.
-
AgricultureScientists Say: Prairie
Prairies are flat, fertile grasslands in North America. They are their own unique ecosystem.
-
Health & MedicineAh-choo! Healthy sneezes, coughs sound just like sick ones to us
Think you can tell a sick cough from a healthy one? Think again. New research finds the human ear isn’t sensitive enough to tell the difference.
-
PhysicsA contrast between shadows and light can now generate electricity
A new device exploits the contrast between bright spots and shade to produce a current that can power small electronics.