Engineering

A cheap, simple device that detects heavy metals could streamline testing

Building bridges: stone, iron, steel

Here are some brief reports about science and technology from around the planet, including one about an incredibly well-preserved horned lark (Eremophila alpestris), like the one pictured, that lived 46,000 years ago.

Originally published in August 1856

Originally published in April 1910

Coming out of lockdown, the country is relying on thousands of local case trackers and on software, once used to protect rhinoceroses, for disease surveillance

Originally published in November 1905

Researchers used the light reflecting off the wrapper to build an image of its surroundings

Think how much time we’d save if voice assistants always understood commands or questions the first time

Algorithms that can recognize people are too often biased or inaccurate—and they can easily invade our privacy

Tests reveal that an imbalance of charge buildup can trigger airplane lightning 

Originally published in December 1958