All Stories
- Physics
Water droplets spontaneously bounce, sans trampoline
Initially stationary water droplets can bounce on an extremely water-repellent surface as if on a trampoline.
By Andrew Grant - Physics
Water droplets spontaneously bounce, sans trampoline
Initially stationary water droplets can bounce on an extremely water-repellent surface as if on a trampoline.
By Andrew Grant - Paleontology
Land life spared in Permian extinction, geologists argue
New rock layer dating in South Africa’s Karoo Basin suggests that extinctions of land species didn’t coincide with the Permian extinction around 252 million years ago.
- Planetary Science
MAVEN mission finding clues to Mars’ climate change
Intense solar storms in the past might have stripped Mars of its water as well as much of the rest of its atmosphere.
- Chemistry
Tricky element isolated from spent nuclear fuel
A new chemical technique makes it easier to extract the radioactive element americium from used nuclear fuel, potentially paving the way for better ways to reprocess and recycle nuclear waste.
By Andrew Grant - Animals
Big cats hunt livestock when wild prey is scarce
Lions, tigers and other big cats tend to hunt livestock only after their wild prey has dropped in availability, a new study shows.
- Planetary Science
Course set for New Horizons journey to Kuiper belt object
New Horizons bids Pluto farewell as it starts a 1.45-billion-kilometer cruise to its next target.
- Climate
Kangaroo farts may not be so eco-friendly after all
Kangaroos fart methane, but not much thanks to the metabolism of gut microbes
- Health & Medicine
Parasite gives a man cancer
Tapeworms can kick parasitism up a notch to become cancer, a case in Colombia shows.
- Science & Society
Scientists find the intrigue in Earth’s dullest times
New methods, coupled with new attitudes, are revising ideas about Earth's boring billion.
By Eva Emerson - Science & Society
Quantum spookiness, magnetic mysteries and more feedback
Letters and comments from readers on quantum spookiness, Earth's magnetic field, and more.
- Particle Physics
Antiprotons match protons in response to strong nuclear force
The first study of how antiprotons interact with each other reveals yet again that particles of antimatter behave just like their ordinary matter counterparts.
By Andrew Grant