Robotics

Math Puzzle: Find the Unknot

Math Puzzle: Find the Unknot

SIN Sep 16, 2025 0 19

Which of these knots are secretly “unknots”? Try our math puzzle to find out

October 2025: Science History from 50, 100 and 150 Years Ago

October 2025: Science History from 50, 100 and 150 Year...

SIN Sep 16, 2025 0 26

Charming quarks; the first Batman signal

Dead Trees Hide a Complex World Crucial to Forest Ecology and Climate

Dead Trees Hide a Complex World Crucial to Forest Ecolo...

SIN Sep 16, 2025 0 11

Forest ecologist Mark Harmon has been exhaustively examining dead logs for 40 ye...

The Quiet Demise of Breakthrough Starshot, a Billionaire’s Interstellar Mission to Alpha Centauri

The Quiet Demise of Breakthrough Starshot, a Billionair...

SIN Sep 16, 2025 0 21

An abandoned plan to visit another star highlights the perils of billionaire-fun...

Readers Respond to the May 2025 Issue

Readers Respond to the May 2025 Issue

SIN Sep 16, 2025 0 12

Letters to the editors for the May 2025 issue of Scientific American

CDC Panel to Review Childhood Vaccines: What's at Stake

CDC Panel to Review Childhood Vaccines: What's at Stake

SIN Sep 16, 2025 0 17

What to know about the three shots under scrutiny by RFK Jr’s advisers and the d...

Nixing Daylight Saving Time May Lower Risk of Obesity and Stroke

Nixing Daylight Saving Time May Lower Risk of Obesity a...

SIN Sep 16, 2025 0 13

A new study suggests that permanent standard time may reduce obesity and stroke

Most Countries Are Reducing Deaths from Heart Disease, Cancer and Diabetes

Most Countries Are Reducing Deaths from Heart Disease, ...

SIN Sep 16, 2025 0 22

A report finds that death rates from cancer and heart disease have declined sinc...

Mondays Really Are More Stressful on the Brain and Body

Mondays Really Are More Stressful on the Brain and Body

SIN Sep 15, 2025 0 15

The start of the workweek can be a biologically measurable stressor, with conseq...

Freaky ‘'Rubber Hand’ Illusion’ Works on Octopuses, Too

Freaky ‘'Rubber Hand’ Illusion’ Works on Octopuses, Too

SIN Sep 15, 2025 0 16

Octopuses’ response to a human illusion suggests a sense of body ownership

COVID Deaths Decline, but Vaccine Access Remains Uneven in the U.S.

COVID Deaths Decline, but Vaccine Access Remains Uneven...

SIN Sep 15, 2025 0 45

Kissing bugs are creeping across the U.S.—and they’re bringing Chagas disease wi...

Scientists Map Nightlife and Communication of NYC Rats to Help Urban Planning and Pest Control

Scientists Map Nightlife and Communication of NYC Rats ...

SIN Sep 13, 2025 0 23

A new preprint field study reveals that New York City’s rats aren’t just survivo...

Measles Death Shows How Virus Can Hide in the Brain for Years

Measles Death Shows How Virus Can Hide in the Brain for...

SIN Sep 13, 2025 0 16

A child in Los Angeles County has died from a rare but always fatal brain disord...

Is Intermittent Fasting Helpful or Harmful?

Is Intermittent Fasting Helpful or Harmful?

SIN Sep 12, 2025 0 19

Whether intermittent fasting helps anyone is unclear, but it does have known hea...

Forensic Expert Explains How 3D Laser Scanning Could Reconstruct the Charlie Kirk Shooting

Forensic Expert Explains How 3D Laser Scanning Could Re...

SIN Sep 12, 2025 0 20

Forensic scientist Michael Haag explains how laser scanners could be used to loc...

Daniel Yon Explains Why Your Brain Is a Brilliant Illusionist

Daniel Yon Explains Why Your Brain Is a Brilliant Illus...

SIN Sep 12, 2025 0 11

In his new book, Daniel Yon explains how our brain is constantly constructing r...

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