High school science teachers can design tasks that not only develop students’ science skills but also change how they see ...

There's federal money for local schools to test their water for lead, which can be dangerous for kids. Many school systems opt not to test their faucets, even if it's free.

No harsh chemicals, no endless scrubbing.

Your household glass cleaner won't cut it for hard water stains.

With temperatures dropping across the UK, it's perhaps expected that people may be turning to hot water bottles to keep warm. After all, when the house feels cold, many of us try all sorts of methods ...

COOH) represents the protonated form of the organic acid, whereas lactate (CH₃CH (OH)COO⁻) represents its conjugated base.

The people in Andhra Pradesh in southern India, Machakos county in Kenya, and Dhaka, the capital of Bangladesh, may be thousands of miles apart, speaking diverse languages, but they share the common ...

Archaeologists think the newly discovered artifacts remained at the production site because they were deemed unusable. Large ...

Editor's note: This story first appeared Sunday as an exclusive for our print readers. Cloudy water. White flakes in the teakettle. Spots on glasses and chalky residue on dishes. More than 400 such ...