The air around us rarely announces itself. Exhaust from a busy road, dust from a building site, smoke from burning leaves, ...

Mass public gatherings — religious festivals, election rallies, political campaigns — are a recurring feature of Indian ...

You can use it as a regular USB webcam on Windows, macOS, or Linux PCs, but Arduino’s new plug-and-play accessory is ...

The dark web sounds more mysterious than it is. It’s simply a set of websites hidden from Google and from ordinary browsers, with addresses that end in .onion instead of .com. Some people go there out ...

Scientists have directly observed how two negatively charged DNA molecules can pair up despite normally repelling each other. Positively charged metal ions appear to bridge the gap, helping matching ...