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

During the 19th and early 20th centuries, fertilizer companies shipped millions of tons of dried bird excrement.

Milani is hitting major milestones including, standing and pooping on her own.

Mutualistic partnerships between species abound across nature—but it’s a tricky dance to make sure both parties keep pulling their weight.

Make sure you’re only listening to music crafted by flesh and blood humans.

Pervasive plastic contamination and unreliable methods have clouded the science on microplastics in the human body. In an interview, Australian scientist Cassandra Rauert, who built a plastics-free lab to study human exposure, explores the challenges for researchers.

The endangered Kemp’s ridley sea turtles were found in December 2025.

Egg prices got you down? You might be able to set up your own supply of fresh pre-omelets.

Tigers, mudskippers, and turtles can all be found amongst the mangroves.

The fundraiser hit its goal after a $5.5M donation from an OpenAI co-founder.

That’s one way to keep track of delays.

Models from major car brands including Honda, Toyota, and Jeep are at risk.

At 65-feet-long, the installation on display in Times Square has plenty of room.