For humans, humidity often makes us cranky, sweaty, and downright uncomfortable. For sweat bees, humidity changes their ...

"Whether the colour change happens to benefit the bee in any way is still an open question that we’d love to explore," lead author Madeleine Ostwald told IFLScience.

Watch a simple but fascinating chemistry experiment using phenolphthalein and dry ice to demonstrate pH changes in real time. See how carbon dioxide forms acid in water and causes a dramatic color ...