Robotics

Math puzzle: The sum of all circles

Math puzzle: The sum of all circles

SIN Feb 18, 2026 0 21

Sum up the circles in this math puzzle

Poem: ‘Boulders at Hickory Run’

Poem: ‘Boulders at Hickory Run’

SIN Feb 18, 2026 0 20

Science in meter and verse

This mathematician proved the random walk theorem to clear his name as a lurker

This mathematician proved the random walk theorem to cl...

SIN Feb 18, 2026 0 21

George Pólya’s random walk theorem absolved him of being a lurker and revealed h...

A veteran teacher explains how to use AI in the classroom the right way

A veteran teacher explains how to use AI in the classro...

SIN Feb 18, 2026 0 23

Veteran teacher Jen Roberts explains why generative tools are more than just a p...

AI Is entering health care, and nurses are being asked to trust it

AI Is entering health care, and nurses are being asked ...

SIN Feb 18, 2026 0 30

When alerts misfire or can’t explain themselves, nurses still carry the risk

NASA sets a date for redo of key Artemis II test

NASA sets a date for redo of key Artemis II test

SIN Feb 18, 2026 0 27

NASA will attempt a second ‘wet dress rehearsal’ and simulated launch of its upc...

First solar eclipse of 2026 blazes a ‘ring of fire’ above Antarctica

First solar eclipse of 2026 blazes a ‘ring of fire’ abo...

SIN Feb 18, 2026 0 21

A stunning “ring of fire” eclipse was totally visible to a lucky few in the Sout...

Deepfakes are getting faster than fact-checks, says digital forensics expert Hany Farid

Deepfakes are getting faster than fact-checks, says dig...

SIN Feb 18, 2026 0 14

Digital forensics pioneer Hany Farid explains what it will take to rebuild trust...

Science crossword: What’s inside?

Science crossword: What’s inside?

SIN Feb 18, 2026 0 15

Play this crossword inspired by the March 2026 issue of Scientific American

Dealing with stress-caused sickness in family caregivers

Dealing with stress-caused sickness in family caregivers

SIN Feb 17, 2026 0 15

People who help sick, aging loved ones are at risk for physical illness themselv...

Strange special relativity effect observed for the first time

Strange special relativity effect observed for the firs...

SIN Feb 17, 2026 0 22

Physicists have observed the bizarre Terrell-Penrose effect in real life

Moving to a walkable city can add 1,100 steps to your day

Moving to a walkable city can add 1,100 steps to your day

SIN Feb 17, 2026 0 22

Researchers found that walkable city design—not personal motivation—was the key ...

How artist Stephanie Dinkins is trying to fix AI bias

How artist Stephanie Dinkins is trying to fix AI bias

SIN Feb 17, 2026 0 24

Transdisciplinary artist Stephanie Dinkins challenges us to rethink what we feed...

March 2026: Science history from 50, 100 and 150 years ago

March 2026: Science history from 50, 100 and 150 years ago

SIN Feb 17, 2026 0 51

A Greenland mystery; booming dunes

How Stanford doctors use AI scribes to cut paperwork and focus on patients

How Stanford doctors use AI scribes to cut paperwork an...

SIN Feb 17, 2026 0 21

When a patient shared the story of her sister’s death, an AI captured the clinic...

How AI helps this civil rights lawyer beat the Feds

How AI helps this civil rights lawyer beat the Feds

SIN Feb 17, 2026 0 17

Joseph McMullen uses AI to sort through terabytes of evidence, freeing him to fo...

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