Whether it’s tackling sweat or juice stains, blue light shows promise as a powerful stain remover.

CHEMISTRY
The salt in the ocean comes from two main sources: rocks on land and vents at the bottom of the sea.
This color-changing blue butterfly pea flower mocktail is floral, fresh, and totally booze-free.
In 1902, 12 men agreed to take low doses of poison in order to test their efficacy as food preservatives. No one died. Basically.
When Catholic cardinals meet to pick a new pope in a papal conclave, they have signaled their progress by sending colored smoke up the chapel chimney.
Sourdough for science? Researchers are analyzing live cultures from bread starters to develop healthier, plant-based fermented foods.
Misunderstanding room temperature can have some surprisingly serious consequences.
A car accident in a movie usually ends in a huge fireball. But what really causes vehicle fires?
Tea and sugar are a classic combination. But salt may actually be more helpful when it comes to improving tea’s flavor.
Tired of wasting hand warmers after a single use? Learn how to stretch them as long as possible.
Here’s hoping you paid attention in science class.
The mass production of silver coins in the Roman Empire had an unintended effect: spewing so much lead into the atmosphere that it may have lowered citizens’ IQs.
It's 200 times thinner than human hair, and you won't find it at Olive Garden anytime soon.
Research (and lots of dry-heaving) has revealed why the flower reeks of weeks-old road kill.
There’s more to this spooky pseudo-science than simply turning lead into gold.
China, Chile, and New Zealand are a few places that have historic mummies of their own.