All Stories
- Health & Medicine
Silver nanoparticles help fight brain-eating amoebas
Nanotechnology may be — quite literally — a silver bullet for these microscopic monsters.
- Health & Medicine
Sleepless nights can leave brains feeling anxious
Pulling an all-nighter boosts anxiety levels — and changes brain activity — the next morning, a new study finds.
- Climate
Scientists Say: Rime ice
Rime ice is ice that forms when water freezes in a snap onto a surface.
- Earth
Car tires and brakes spew harmful microplastics
Wear and tear on car tires, brakes and roads releases harmful microplastics to the air. These end up polluting waterways and harming fragile ecosystems.
- Animals
Living Mysteries: This complex beast lurks on lobster whiskers
A tiny animal discovered on a lobster’s whiskers shows that the smallest animals on Earth can be surprisingly complex.
- Climate
Carbon dioxide emissions will hit a record high globally in 2018
CO2 emissions from China, the United States and India all rose in 2018, a new report finds. This is despite urgent calls for nations to cut back on their releases of this greenhouse gas.
- Physics
Much of a proton’s mass comes from the energy of the particles inside it
Thanks, Einstein! Your famous E=mc2 formula now explains much of a proton’s ‘mass.’ Its building-block quarks make up just a small part of its left, calculations now show.
- Science & Society
Catch a ‘shooting star’ this month — and most others
The Geminid meteor shower is underway. Here’s how you can enjoy this amazing show in the night sky.
- Science & Society
New smoke alarm tests a mother’s touch
Smoke alarms are intended to wake people at signs of a house fire. But standard alarms don’t wake kids as well as a new type that issues warnings in mom’s voice, new data show.
- Life
Electro-tweezers let scientists safely probe cells
These nanotweezers can sample the innards of cells without killing them. They use an electric field to net materials for study. And they are gentle enough to repeatedly probe the same cell.
- Animals
How wombats make their unique cube-shaped poop
The elasticity of the wombat’s intestines helps the creature to shape its distinctive scat.
- Animals
Scientists Say: Symbiosis
Two species can live together and support each other in a relationship called symbiosis.
