As a general rule, the colour red in geological and archaeological samples tends to be due to the presence of various iron oxides that dye minerals and rocks a very deep colour.
articles
Crops Sown In A Uniform Spatial Pattern Produce Higher Yields And Reduce Environmental Impact
One of the greatest challenges facing humanity is how to grow more food while reducing the negative impacts of agriculture upon the environment.
Detecting Toxic PFAS with a Chip-Sized Sensor
PNNL has patented an accurate and portable way to detect miniscule amounts of an extremely persistent toxic chemical that accumulates in our bodies and our environment.
Dirty Carbon Reveals A Sophisticated Side
Tar, the everyday material that seals seams in our roofs and driveways, has an unexpected and unappreciated complexity, according to an MIT research team: It might someday be useful as a raw material for a variety of high-tech devices including energy storage systems, thermally active coatings, and electronic sensors.
Invasive Lionfish Likely To Become Permanent Residents In The Mediterranean
An invasive species first identified in the Mediterranean Sea just eight years ago is likely to become a permanent feature of the region, a new study suggests.
Rice Engineers: Make Wastewater Drinkable Again
Delivering water to city dwellers can become far more efficient, according to Rice University researchers who say it should involve a healthy level of recycled wastewater.