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A classic example of a nudge is making the healthy choices easier to grab in a cafeteria. Maskot via Getty Images

Irrational decision or helpful evolutionary adaptation? A philosopher on the rationality wars behind ‘nudge’ policy

People use cognitive shortcuts to make choices that sometimes have outcomes that don’t serve their own interests or preferences. But to call these choices irrational might be missing the big picture.
The universe is filled with countless galaxies, stars and planets. Humans may one day discover extraterrestrial life. ESA/Euclid/Euclid Consortium/NASA, image processing by J.-C. Cuillandre (CEA Paris-Saclay), G. Anselmi

‘Project Hail Mary’ explores unique forms of life in space – 5 essential reads on searching for aliens that look nothing like life on Earth

The fictional biologist in ‘Project Hail Mary’ claims that potential alien organisms might not be made of carbon or require water, unlike life on Earth.
In its second season, ‘The Pitt’ grapples with a surprisingly common type of hospital emergency. Warrick Page/HBO Max

HBO’s ‘The Pitt’ nails how hospital cyberattacks create chaos, endanger patients and disrupt critical care

Policy and legal efforts aim to stop these malicious security breaches, but they are growing more common as hospitals adopt remote health care delivery and hackers adopt artificial intelligence.
Once plants really got a foothold, they transformed our planet. Albert Fertl/Moment via Getty Images

What was the very first plant in the world?

Plants changed the atmosphere, built soil and created ecosystems that allowed animals like us to thrive. But first they had to make their way from the water to the land.