According to conventional wisdom, the compound microscope was invented at the beginning of the seventeenth century and made possible the immediate discovery of cells. This is nonsense. The textbook ...

A home machinist and microscopy enthusiast has documented a detailed technical conversion of a scanning electron microscope (SEM) into a transmission electron microscope (TEM), demonstrating that ...

Concrete, although the most common building material in the world, is brittle and can easily crack under tension.

Ultrasound and artificial intelligence-guided algae microrobots delivered chemotherapy deep into tumors in mice, paving the way to improved bladder cancer care.

Gold’s pristine shine may depend on a hidden atomic rearrangement that makes oxygen reactions far harder, helping explain its ...

Senegenin is the main bioactive ingredient isolated from the dried roots of Polygala tenuifolia Willd. In recent years, senegenin has been proved to possess a variety of pharmacological activities, ...

Stephen King’s The Mist got a memorable Frank Darabont adaptation in 2007. Nearly two decades later, the premise feels oddly prescient — but in a much smaller and far less terrifying way. Fog itself ...

For years, companies have injected carbon dioxide into concrete to trap emissions and improve early performance. The construction industry embraced the approach even though researchers could not fully ...

Superconductors, materials that conduct electricity with zero electrical resistance at specific temperature ranges, have proved very promising for the development of quantum computers and other ...

During the Archean Eon—roughly 4 billion years ago—the Earth was a lifeless planet. The atmosphere lacked oxygen, and there were few, if any, organisms to be found anywhere on the globe. Then ...

South African employers are facing a major payroll compliance crackdown as SARS ramps up audits, data-driven enforcement, and scrutiny of fringe benefits, travel allowances, fuel cards and other ...