Chemistry
Turning jeans blue with sunlight might help the environment
When dipped in indican and exposed to sunlight, yarn turns a deep blue. This process is more eco-friendly than the current denim dyeing method.
Earth
More Stories in Earth
- Physics
Forests could help detect ‘ghost particles’ from space
If trees could act as natural antennas, one physicist proposes that they just might pick up signals of hard-to-spot ultra-high energy neutrinos.
- Earth
Many natural underground stores of freshwater are shrinking
A lot of these aquifers are quickly disappearing due to climate change and overuse. Fortunately, there is growth in some of the world’s major aquifers.
- Plants
Rampaging vines are slowly strangling tropical forests
Called lianas,these vines are growing out of control. They may cause tropical forests to absorb less carbon dioxide — worsening climate change.
- Plants
This urban gardener is mimicking nature to create healthier plants
Urban garden specialist Kwesi Joseph is experimenting with rock dust and plants. He also helps New York City community and school gardens with gardening problems.
- Earth
Explainer: Sprites, jets, ELVES and other storm-powered lights
Fleeting glows collectively known as “transient luminous events” flash in the skies above powerful lightning storms.
- Environment
Scientists Say: Carbon capture
Carbon capture technology tackles climate change by stomping out carbon dioxide at the source.
- Health & Medicine
Health problems persist in Flint 10 years after water poisoning
Flint, Mich., residents still show health impacts long after a switch in their drinking-water source exposed them to toxic lead and other pollutants.
- Health & Medicine
9 things to know about lead’s health risks — and how to curb them
Lead has been linked to lower IQ, behavior problems, mental-health disorders, strokes and more health impacts. There are ways to reduce your exposure.
- Microbes
Let’s learn about useful bacteria
Bacteria do many useful jobs almost everywhere on Earth, from the soil to the seafloor to our stomachs.
