The first documented record of salt as an ancient Maya commodity at a marketplace is depicted in a mural painted more than 1,000 years ago at Calakmul, a UNESCO World Heritage site in the Yucatan Peninsula in Mexico. In the ...
Archaeology
Mar 22, 2021
1
2203
The planet Mars has no global magnetic field, although scientists believe it did have one at some point in the past. Previous studies suggest that when Mars' global magnetic field was present, it was approximately the same ...
Planetary Sciences
Mar 3, 2021
1
418
A group of researchers representing four countries summed up the results of a large-scale study of the academic performance of engineering students in Russia, China, India, and the United States. Supertest is the first study ...
Education
Mar 2, 2021
0
1635
It is estimated that the majority of pregnancies that fail do so within the first seven days after fertilization, before the embryo implants into the uterus. In this time period, a complicated cascade of events occurs with ...
Cell & Microbiology
Jan 6, 2021
0
217
Studies conducted in yeast show that exposure to ultraviolet light (UV) induces new types of DNA damage that may cause the deadliest form of skin cancer, malignant melanoma.
Molecular & Computational biology
Nov 17, 2020
0
40
An inexpensive monitoring system with 3-D-printed parts and low-cost sensors might not last as long as a commercial one, but it can be just as accurate, researchers found.
Earth Sciences
Nov 11, 2020
2
63
A team of scientists and students from the University of Sheffield has designed and built a specialist microscope, and shared the build instructions to help make this equipment available to many labs across the world.
General Physics
Nov 6, 2020
3
1073
Low-temperature plasmas offer promise for applications in medicine, water purification, agriculture, pollutant removal, nanomaterial synthesis and more. Yet making these plasmas by conventional methods takes several thousand ...
Plasma Physics
Sep 4, 2020
2
127
For centuries, people around the world have used garlic as a spice, natural remedy, and pest deterrent—but they didn't know how powerful or pungent the heads of garlic were until they tasted them.
Biochemistry
Aug 5, 2020
1
375
Rochester Institute of Technology scientists have developed a method they believe will help epidemiologists more efficiently predict the spread of the COVID-19 pandemic. Their new study, published in Physica D: Nonlinear ...
Mathematics
May 29, 2020
0
247
