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

Kevin Lieber

Kevin Lieber

Host
Close up of dark roast coffee beans
Science

Scientists figured out the optimal cup of coffee

You don’t always need the dark roast.

Researchers found that the large quantity of aerosol particles in the air of highly polluted cities reflect sunlight back out into space.
Environment

Some of the world’s biggest cities are so polluted they’re warming slower

But this surprising effect of pollution should hardly be taken as a good sign.

Moxie relies on a cloud-based AI system which will go offline in the coming days.
Technology

‘I love you… goodbye:’ What will happen when this companion robot suddenly dies?

Embodied’s financial woes are taking its beloved Moxie offline.

Teen boy with headphones in bedroom listening to music on smartphone
Technology

AI chatbot suggested a teen kill his parents, lawsuit claims

Character.AI is accused of posing a threat to children and their families.

a new shrimp-like crustacean. it is white with two protruding tusk-like appendages at its head, at least 8 legs, and two tail-like appendages at the back
Environment

New predator uncovered 25,000+ feet under the Pacific

Dulcibella camanchaca can survive in the frosty darkness of the ocean’s hadal zone.

Evolution, the process of change, governs life on Earth − and potentially different forms of life in other places.
Science

Extraterrestrial life may look nothing like life on Earth

Astrobiologists are coming up with a framework to study how complex systems evolve.

a microscopic zooplankton
Environment

Microscopic ‘eating and pooping machines’ are great at sucking up carbon

Clay dust can help zooplankton grab onto more of the potent greenhouse gas.

New research suggests daily EV driving may not decay lithium-ion batteries as quickly as once thought.
Technology

Surprise: EV batteries might have a longer shelf live than once thought

Day-to-day real-world driving may result in less battery degradation over time than in labs.

Nautilus captured on video
Environment

After 15 years, a vessel named ‘Nautilus’ actually saw a nautilus

The ancient sea creatures are rarely photographed, much less filmed.

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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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