What happens to gold nanoparticles in cells?

Gold nanoparticles, which are supposed to be stable in biological environments, can be degraded inside cells.…

Hard as a rock? Maybe not, say bacteria that help form soil

Research published this week by University of Wisconsin-Madison scientists shows how bacteria can degrade solid bedrock,…

Resident orcas' appetite likely reason for decline of big Chinook salmon

Killer whales prefer to eat only the biggest, juiciest Chinook salmon they can find. The larger…

Chemists glimpse the fleeting 'transition state' of a reaction

During a chemical reaction, the molecules involved in the reaction gain energy until they reach a…

Connecting the prehistoric past to the global future

Research on global biodiversity has long assumed that present-day biodiversity patterns reflect present-day factors, namely contemporary…

Smart intersections could cut autonomous car congestion

Researchers have developed a first-of-its-kind model to control traffic and intersections in order to increase autonomous…

Celebrated ancient Egyptian woman physician likely never existed

For decades, an ancient Egyptian known as Merit Ptah has been celebrated as the first female…

'The Invisible Network' Podcast – Episode 13: Pony Express

What does the Pony Express of the 19th century have in common with the internet and…

Uncertain role of natural gas in the transition to clean energy

A new study examines the opposing roles of natural gas in the battle against climate change…

Scientists show how tiny, mutated neuron antennae impair brain connectivity

Axons are the long thread-like extensions of neurons that send electrical signals to other brain cells.…