New research casts doubt on a genetic test used to screen would-be embryos for IVF implantation. The findings suggests that these embryos can develop into healthy babies regardless of whether or not they’ve been flagged as defective by the test.
Scientists have developed stem-cell technology to mass-produce tissue cultures resembling our breathing organs. These tissues offer a powerful model in which to study how SARS-CoV-2 wreaks havoc in the lungs and to screen for new drugs.
The virus must hijack a more than a hundred human proteins to replicate inside a cell. One of them stands out because it is an absolute requirement for infection by four different coronaviruses as well as by viruses that cause Zika, yellow fever, and other diseases.
Rice will receive the 2020 Nobel Prize in Physiology or Medicine for research that led to a cure for hepatitis C, a viral disease affecting 170 million people worldwide. His lab worked on the virus for three decades and became the first to produce a version of it that could be grown and studied i...