Popular Science. Demystifying the worlds of science and technology since 1872.

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Rachel Feltman

Rachel Feltman

Host
a white ring of salt at the bottom of a black pan
Physics

Curious and hungry physicists whip up perfect pasta pan salt rings

‘Our simple observation of daily life conceals a rich variety of physical mechanisms.’

a phone with siri open on a table
Tech Hacks

Stop talking to your phone: How to use Type to Siri

You don’t have to use your voice to speak to Siri.

An aerial view of repair vehicles at sunset passing near beachfront homes that burned in the Palisades Fire as wildfires cause damage and loss through the LA region on January 15, 2025 in Malibu, California.
Environment

LA fires: Long-term exposure to wildfire smoke is a growing health risk, and not well understood

We need to understand the long-term consequences of living and working in wildfire-risk areas.

Three chimpanzees in an enclosure at the Kumamoto Sanctuary holding leafy branches.
Wildlife

Peeing is contagious for chimpanzees

‘Contagious urination’ might be similar to yawning in humans.

doctor looking at brain scan
AI

Health care AI, intended to save money, turns out to require a lot of expensive humans

Artificial intelligence systems require consistent monitoring and staffing to put in place and to keep them working well.

updates screen showing progress
Tech Hacks

How to make sure all your software and apps are up to date

It’s the most important security step you can take.

By middle age, people are complex mosaics of cells that are mostly but not entirely identical.
Biology

We are all mosaics

Picture your body: It’s a collection of cells carrying thousands of genetic mistakes accrued over a lifetime—many harmless, some bad, and at least a few that may be good for you.

update updating software app smartphone pc dekstop notebook laptop tablet vector
Tech Hacks

How important are updates, actually?

Can you just ignore those pop-ups? (No.)

woman looking out a window with phone in foreground
Tech Hacks

How to use Photoshop on your phone

Photoshop Express Photo Editor lets you edit on the go.

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Popular Science has been demystifying the worlds of science and technology since 1872. We explain the inner workings of the phone in your pocket, explore world-changing innovations, and examine everything from the marvels of deep space to the secret lives of staples like bread. We deliver an engaging, approachable, and inclusive look at emerging technologies and scientific advances.
Daily, PopSci unpacks the science behind the top current new stories, dissects the latest technology and digital trends, and helps readers live smarter, safer, and happier through clever DIY projects.

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