A major challenge in developing a vaccine for HIV is that the virus mutates fast -- very fast. Although a person initially becomes infected with one or a few HIV strains, the virus replicates and mutates quickly, resulting in a 'swarm' of viral strains existing in a single body.
Read more …Advancing toward a preventative HIV vaccine
Drugs that selectively kill senescent cells may benefit otherwise healthy older women but are not a 'one-size-fits-all' remedy, Mayo Clinic researchers have found. Specifically, these drugs may only benefit people with a high number of senescent cells, according to findings publishing July 2 in Nature Medicine.
Read more …Drugs that kill 'zombie' cells may benefit some older women, but not all
The release in July 2024 of the blockbuster film Twisters (centred around a social-media celebrity storm-chaser) demonstrates an ongoing public fascination in hazards and extreme weather. The arrival of camera and streaming technologies have made it easier to collect and share such footage in recent years, resulting in often dramatic footage being live-streamed on platforms such as YouTube, TikTok and Discord. Now, a new study has analyzed what might be motivating people to watch these streams -- in some instances for up to 12 hours at a time.
Read more …Study explores what motivates people to watch footage of disasters and extreme weather