Researchers at Harvard University, working with collaborators at the University of Lisbon, discovered that low-index silica ...

Intense snowfall coupled with extreme precipitation and humidity created favorable conditions for this sundog to materialize ...

An unexpected discovery in a Harvard lab has led to a breakthrough insight into choosing an unconventional material, silica, to make optical metasurfaces—ultra-thin, flat structures that control light ...

Light does a lot of work in the modern world, enabling all types of information technology, from TVs to satellites to ...

In rethinking whether AI is sentient, we are asking bigger questions about cognition, human-machine interaction and even our own consciousness ...

CBSE Class 10 Science marks distribution 2026 explained with chapter-wise weightage for Biology, Chemistry, and Physics. Know high-weight chapters and smart exam preparation tips for CBSE Board Exam ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Nancy Redd Shifts in the number of daylight hours — due to changing seasons or ...

Classical and quantum mechanics don’t really get along as the science of the subatomic can get, well, weird. Take, for instance, quantum entanglement, which says that the state of one particle can be ...

Sleep happens in cycles that include three non-rapid eye movement (NREM) stages and one rapid eye movement (REM) stage, repeated 4 to 5 times nightly. Each cycle typically lasts 90 to 110 minutes. The ...

This easy recipe has a secret ingredient to guarantee the waffles develop super-crisp exteriors while staying fluffy inside. What is the secret to making crispy waffles? This waffle variation owes its ...

Facsimile reprint, without original t.-p., of the edition published by Macmillan and co., London, 1912. siris_sil_215412 ...