Developed by Rensselaer Polytechnic Institute, adaptive current tomography (ACT) aims to improve breast cancer screening without radiation exposure. The system uses electrical conductivity and permitivity measurements to detect tumors, offering advantages over X-ray mammography.
A new study by Cornell University researchers reveals that plants require vitamin C to withstand environmental stresses, such as high ozone levels and ultraviolet radiation. This finding has significant implications for improving crop foods with low vitamin C content, which can help address nutritional deficiencies in humans.
Scientists warn that humanity's disregard for ecosystem services will have severe economic losses, estimated in trillions of dollars annually. The loss of nature's services can lead to floods, mudslides, and extinction of species, posing an existential threat to human survival.
Ecosystems provide essential services such as air and water purification, climate regulation, and soil fertility. These services are crucial for human survival and well-being. Scientists highlight the importance of preserving these services in the face of human activity's impact on the environment.
A national survey of 1,466 gay men and lesbians found that one out of four reported poor treatment, including verbal, physical, and sexual abuse. The study calls for the establishment of total quality assurance systems to ensure client safety and community input on service effectiveness.