ptesler: All Blogs

Cardboard gets its Amazonian strength from simple geometry.

Tips to bring healthy skepticism to your daily news feed

“What time is it?” Ask this simple question and you’ll get a deliriously un-simple set of answers, courtesy of Timepieces, a new artwork by Katie Paterson on display at the Exploratorium.

Celebrate the non-equinox by balancing an egg on its end.

Photos from the New Horizons probe.

If you live anywhere near Silicon Valley, then you may already have glimpsed the eerie sight of a driverless car flying down the freeway.

Age, genetics, or sheer bad luck can land you among the 285 million people worldwide who are visually impaired.

Imagine this: You get scooped up by police, fitted with electronic headgear, and shown a series of random pictures.

If there’s any theme to the big science stories this year, it might be this—science giveth, and science taketh away.

If you find yourself snoring on the sofa after a Thanksgiving feast, don’t blame the bird.

Can you smell time? Your dog can.

Imagine you get this message: “Next Wednesday’s meeting has been pushed forward one day.” What day is the meeting happening?