HackerRank is a tech company that focuses on competitive programming challenges for both consumers and businesses, where developers compete by trying to program according to provided specifications.

WASHINGTON — House Speaker Mike Johnson says he still has “PTSD” from the GOP’s failed effort to repeal and replace the Affordable Care Act during President Donald Trump’s first term. Subscribe to ...

In simple terms, pH is a measure of how acidic or alkaline (basic) a solution is. A pH below 7 indicates an acid solution A pH above 7 indicates an alkaline (basic) solution pH 7 is considered neutral ...

This blogpost introduces our latest white paper, presented at Virus Bulletin 2025, where we detail the operations of the North Korea-aligned threat actor we call DeceptiveDevelopment and its ...

Raman spectroscopy is a versatile method to investigate the chemical properties of matter. Thanks to extensive technical developments that lead to analytical devices with high sensitivity and ease of ...

This illustration shows how a newly developed floatable nanocomposite system produces hydrogen gas by using sunlight to break down everyday plastic waste. The sponge-like material floats on water and ...