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. Now, the party ...

Department of Chemical Technology, Faculty of Science, Chulalongkorn University, 254 Phayathai Road, Pathumwan, Bangkok 10330, Thailand Center of Excellence on Petrochemical and Materials Technology, ...

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 ...

We may receive a commission on purchases made from links. While we may not be able to change our birth status, we can do our best to live like royalty. What better way to do that than drawing on ...

Written by Maria-Cristina Florian Published on May 16, 2025 While on site in Venice, ArchDaily's managing editor Maria-Cristina Florian had the chance to sit down with Alejandro Aravena and discuss ...

Department of Chemistry, Faculty of Sciences, Umm Al-Qura University, Makkah 24382, Saudi Arabia Department of Chemistry, Faculty of Science, Mansoura University, El-Gomhoria Street, Mansoura 35516, ...