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Science + Tech – Articles, Analysis, Opinion

Displaying 2001 - 2025 of 3649 articles

Seven hackers tied to the Iranian government were indicted for attempting to take over a New York dam’s control system. Alex Wong/Getty Images

How Iran’s military outsources its cyberthreat forces

The Iranian military operates cyber espionage and sabotage through a network of dozens of contractors, allowing the state to attack foes while denying involvement.
A planet-forming disk made from rock and gas surrounds a young star. NASA/JPL-Caltech/SwRI/MSSS/ Gerald Eichstädt /Seán Doran

Even planets have their (size) limits

Why isn’t there an endless variety of planets in the universe? An astrophysicist explains why planets only come in two flavors.
Over 100,000 narwhals swim the Earth’s Arctic waters. Kristin Laidre

Meet the narwhal, ‘unicorn of the sea’

The long tusk of the male narwhal earned these whales their fanciful nickname. But there’s more to these Arctic mammals than their unique spiral tooth.
Water purification at a modern urban wastewater treatment plant involves removing undesirable chemicals, suspended solids and gases from contaminated water. arhendrix/Shutterstock.com

Microwaving sewage waste may make it safe to use as fertilizer on crops

The solids from wastewater plants are usually dumped into landfills because they are contaminated with heavy metals. Now there is a way to remove the metals so the waste can be used as fertilizer.
Imitation is the sincerest form of being human? Rawpixel.com/Shutterstock.com

Being copycats might be key to being human

A quirk of psychology that affects the way people learn from others may have helped unlock the complicated technologies and rituals that human culture hinges on.
In the wake of U.S. killings, Iran’s supreme leader vowed ‘harsh revenge’ – which could come in the form of cyber attacks. Office of the Iranian Supreme Leader via AP

Cyberspace is the next front in Iran-US conflict – and private companies may bear the brunt

Less overt than conventional military actions, cyber attacks can have dangerous consequences – especially when they target critical infrastructure systems controlled by the private sector.
To understand the effects of a big die-off, researchers set up experiments with wild boar carcasses. Brandon Barton, Mississippi State University

Rotting feral pig carcasses teach scientists what happens when tons of animals die all at once, as in Australia’s bushfires

Death is a natural part of ecosystems. But it’s unusual for a large number of animals to all die at once. Researchers are investigating how a mass mortality event affects what’s left afterwards.
Emotion recognition technology, an outgrowth of facial recognition technology, continues to advance quickly. Steve Jurvetson/flickr

AI can now read emotions – should it?

A report calls for banning the use of emotion recognition technology. An AI and computer vision researcher explains the potential and why there’s growing concern.
20 years ago, who could predict how much more researchers would know today about the human past – let alone what they could learn from a thimble of dirt, a scrape of dental plaque, or satellites in space. Manuel Domínguez-Rodrigo

Archaeological discoveries are happening faster than ever before, helping refine the human story

20 years ago, who could predict how much more researchers would know today about the human past – let alone what they could learn from a thimble of dirt, a scrape of dental plaque, or satellites in space.
A night of revelry can mean an uncomfortable day after. Everett Collection/Shutterstock.com

Hangovers happen as your body tries to protect itself from alcohol’s toxic effects

Researchers know the basic biology of what happens to your system after a night of heavy drinking. Unfortunately, evidence-based cures for the common hangover are still at the investigation stage.