Discover how red cabbage can act as a natural pH indicator, revealing whether substances are acids or bases through beautiful color changes. pH is a measure that tells us how acidic or basic a ...

Most people use cabbage for cooking but it can also be really great for your at-home chemistry experiments. Check out the cool chemistry stuff you can do with a red cabbage! Add about 1 cup of water, ...

Note: This video is designed to help the teacher better understand the lesson and is NOT intended to be shown to students. It includes observations and conclusions that students are meant to make on ...

Murky green algal blooms are more than a major eyesore; they reveal that a body of water could be unsafe for swimming or drinking. Currently, however, there isn’t an effective warning system for ...

CORRECTION: This story was updated on Aug. 1, 2014, to clarify that the test detects many strains of Escherichia coli, not just pathogenic ones. To lower costs, Davis looked for a glucuronide with a ...

Damage developing in a material can be difficult to see until something breaks or fails. A new polymer damage indication system automatically highlights areas that are cracked, scratched or stressed, ...

Scientists in Germany have created new wound dressing materials that change from yellow to purple in color when an infection develops. The new material will allow caregivers to check on wounds without ...