Three-dimensional culture of human breast cancer cells, with DNA stained blue and a protein in the cell surface membrane stained green. Credit: NCI Center for Cancer Research, National Cancer Institute, National Institutes of HealthScientists have determined a protein that, when present in significant quantities in breast cancer tumors, is a signal of whether DNA-damaging...
Morning light assists keep our biological rhythms on the right track. Daylight saving time throws that off.Daylight saving time has finished, and many Americans have turned their clocks back an hour.On November 6, every state in the United States other than Hawaii and the majority of Arizona changed from daylight saving time, or DST,...
Normal usage of drugs to reduced cholesterol and control kind 2 diabetes may decrease the threat of the degenerative eye illness associated with aging, referred to as AMD, discovers a pooled information analysis of the available proof released online in the British Journal of Ophthalmology.The outcomes show that these common drugs are connected to...
Polymyxin “last-resort” antibiotics kill bacteria by crystallizing their cell membranes. Credit: TED HOROWITZ/THE IMAGE BANK/GETTY IMAGESTo eliminate drug-resistant bacteria, "last-resort" antibiotics borrow a method from Medusa's playbook: petrification.New high-resolution microscope pictures show that a class of antibiotics called polymyxins crystallizes bacteria's cell membranes. The honeycomb-shaped crystals that form transform the microorganisms' normally supple skins...
Credit: UnsplashA group of scientists from Helmholtz Munich has identified a new use for vitamin K, typically recognized for its part in blood clotting. In its fully reduced configuration, the researchers discovered that vitamin K operates as an anti-oxidant by efficiently inhibiting ferroptotic cell death. Ferroptosis is a natural kind of cell death in...
Times 5 magnification of colonies of Burkholderia pseudomallei on Ashdown's agar after 4 days' incubation. Credit: wikipediaFor the first time, a possibly fatal strain of bacteria has been identified within the United States's soil and water, causing the Centers for Disease Control and Prevention to ask healthcare professionals to look out for signs and...
Credit: Guido Mieth/Getty ImagesDoctors at the Centers for Disease Control and Prevention say an abnormally high number of harmful viral infections have been detected among infants throughout the United States this year, including one uncommonly large cluster of almost two dozen cases at a single hospital in Tennessee.The infections- a result of a typical...
More than 300 people in 21 nations outside Africa have been infected with the illness.Monkeypox (orange), shown infecting monkey cells (green) in this colorized electron micrograph, has spread to multiple countries outside Africa. The large outbreak is unusual for the virus, which is transmitted by close contact. NIAID/FLICKR (CC BY 2.0)An outbreak of monkeypox...
A woman feeling the cold inside a house. Credit: iStock.We all have distinct preferences for when it is the correct time to draw out winter blankets. And the thermostat's setup frequently forms the basis of office debates between women and men concerning the "appropriate" temperature for it to be configured.Between the sexes, there is...
Dogs to detect COVID-19. Credit: London School of Hygiene & Tropical Medicine.A current research by the University of Helsinki and Helsinki University Hospital affirmed that scent detection dogs can be taught to recognize people with a coronavirus infection from skin swabs. In the experimental set-up at Finland's Helsinki-Vantaa International Airport, the dogs' accuracy in...
