Science + Technology – Articles, Analysis, Opinion

Displaying 151 - 175 of 1620 articles

What are the rules that make a man a father? Slava Potik/Unsplash

Who’s your daddy? Don’t ask a DNA test

Before the advent of genetic testing, definitions of paternity were primarily social and legal. Science has destabilized these older definitions, but it has not replaced them.
You might just be getting better at the game you’re practicing. Malcolm Lightbody/Unsplash

Are brain games mostly BS?

There are reasons to be skeptical, of both the quality of the evidence presented so far and the questionable assumptions that underlie claims of improved cognitive function after brain training.
Many of Baltimore’s city services are crippled by a cyberattack. The Conversation from City of Baltimore and Love Silhouette/Shutterstock.com

Hackers seek ransoms from Baltimore and communities across the US

Ransomware has crippled governments and companies around the world, encrypting data and demanding payment for the decryption key – though that's no guarantee of recovering the information.
Archaeological visualization of Angkor Wat at sunset, with site map at upper right. Tom Chandler, Mike Yeates, Chandara Ung and Brent McKee, Monash University, SensiLab, 2019

Angkor Wat archaeological digs yield new clues to its civilization’s decline

Many tourists hold an outdated romanticized image of an abandoned temple emerging from the jungle. But research around Angkor Wat suggests its collapse might be better described as a transformation.
Companies use data to make a portrait of their users. ImageFlow/shutterstock.com

Big tech surveillance could damage democracy

Big tech companies compete over who can gather the most intelligence on their users. Countries like Russia and China turn this information against their citizens.
Livestock, like these goats in the Rift Valley of Tanzania, are critical to household economies in East Africa. Katherine Grillo

Ancient DNA is revealing the origins of livestock herding in Africa

Pastoralism is a central part of many Africans' identity. But how and when did this way of life get started on the continent? Ancient DNA can reveal how herding populations spread.
Fast tests can help keep people out of the water when it’s unsafe, and let them back in sooner once the coast is clear. Paul Fisher

Rapid water quality tests better protect beachgoers

Traditional water quality test results tell you what was happening at the beach yesterday. More real-time answers can be a boon for public health.