Microplastics have become an invisible but persistent threat in rivers, lakes, oceans, and even in the water we drink. These tiny plastic fragments can drift for miles, settle on the seafloor, or ...

Have you ever had an "aha" moment while taking a shower, walking, driving on the freeway, or just spacing out? According to a new study (Chao et al., 2025) from the University of Tokyo, that sudden ...

Researchers have engineered a laser device smaller than a penny that they say could power everything from the LiDAR systems used in self-driving vehicles to gravitational wave detection, one of the ...

Ancient Greek measurement unit: Protocorinthian Cotyle, 650-625 BC. Ancient Agora Museum at Athens, Credit: Zde CC BY-SA 4.0 The ancient Greeks developed sophisticated units of measurement ranging ...

How gravity causes a perfectly spherical ball to roll down an inclined plane is part of elementary school physics canon. But the world is messier than a textbook. Scientists have sought to ...

How gravity causes a perfectly spherical ball to roll down an inclined plane is part of elementary school physics canon. But the world is messier than a textbook. Scientists in the Harvard John A.

The story of the human race is a story of technology. One of our ancestors created fire and passed that knowledge along to the next generation. Then the invention of the wheel. Then agriculture, a ...

Most runners keep tabs on their mileage, documenting—sometimes obsessively—exactly how far they run every day, week, month, or even year. Beyond serving as a brag-worthy stat, how many miles you run, ...

Mathematicians are “reinventing the wheel” by giving it a new shape. Their newly imagined wheel looks like a many-dimensional guitar pick, and it could theoretically roll in ways beyond our ...