Gold isn’t inert, it just has bodyguards protecting it

Individual gold atoms move around to form oxidation-proof structures. [...]

Squeeze More Juice Out of a Dead Battery!

How the joule thief circuit “steals” energy from seemingly depleted power cells. [...]

NASA Names Its Artemis III Crew for Crucial Moon Mission Testing

Two months after the rousing success of the Artemis II mission, NASA introduces four new astronauts. But a recent rocket explosion raises questions about timing. [...]

Great White Sharks Have Been in the Mediterranean Sea for Millions of Years—but Sightings Are Incredibly Rare

A recent video of a great white shark in the Mediterranean Sea offers the possibility of deriving valuable information for conservation strategies. [...]

Three key vital signs make up the "urban pulse" of a city

Cities are dynamic, not static grids, and urbanization is a "spiky," cyclical, and asynchronous process. [...]

Commonwealth Fusion makes the physics case for its 400 MW reactor

Five peer-reviewed papers update the design and model its expected output. [...]

China Opens World’s First Wind-Powered Underwater Data Center

With an initial capacity of 24 megawatts, the innovative data center uses seawater as a natural cooling system. [...]

15 things walking does for your body and mind that more intense exercise doesn't

From creative thinking to blood sugar regulation, walking's benefits are broader and better evidenced than its reputation as gentle exercise suggests [...]

I Was Scammed Buying GLP-1s Online. I’m Not Alone

Customers have complained that a telehealth network selling compounded GLP-1s has been ripping them off—even after it had to pay $5 million to clients as part of a settlement with the US government. [...]